@book{Benfield_2013, address={Wallingford}, title={Garden tourism}, publisher={CABI}, author={Benfield, Richard}, year={2013} }
@book{Buckley, Ralf_2004, address={Wallingford}, title={Environmental impacts of ecotourism}, volume={Ecotourism book series}, publisher={CABI publishing}, author={Buckley, Ralf}, year={2004} }
@book{Buckley_2004, address={Wallingford, Oxon, UK}, title={Environmental impacts of ecotourism}, volume={2}, url={https://ebookcentral.proquest.com/lib/bournemouth-ebooks/detail.action?docID=297545}, publisher={CABI Pub}, author={Buckley, Ralf}, year={2004} }
@book{Buckley, Ralf C._Pickering, C._Weaver, David B._Fenner Conference on Nature Tourism and the Environment_2003, address={Wallingford}, title={Nature-based tourism, environment and land management}, volume={Ecotourism book series}, publisher={CABI}, author={Buckley, Ralf C. and Pickering, C. and Weaver, David B. and Fenner Conference on Nature Tourism and the Environment}, year={2003} }
@book{Duffy, Rosaleen_2002, address={London}, title={A trip too far: ecotourism, politics, and exploitation}, publisher={Earthscan Publications}, author={Duffy, Rosaleen}, year={2002} }
@book{Higginbottom, Karen_2004, address={Altona, Vic}, title={Wildlife tourism: impacts, management and planning}, publisher={Common Ground}, author={Higginbottom, Karen}, year={2004} }
@book{Higham, James E. S._2007a, address={Amsterdam}, title={Critical issues in ecotourism: understanding a complex tourism phenomenon}, publisher={Butterworth-Heinemann}, author={Higham, James E. S.}, year={2007} }
@book{Higham, James E. S._2007b, address={Amsterdam}, edition={1st ed}, title={Critical issues in ecotourism: understanding a complex tourism phenomenon}, url={http://search.ebscohost.com/login.aspx?authtype=ip,shib&custid=s7547708&direct=true&db=nlebk&db=nlabk&site=ehost-live&scope=site&AN=196292}, publisher={Butterworth-Heinemann}, author={Higham, James E. S.}, year={2007} }
@book{Honey, Martha_2008, address={Washington, D.C.}, edition={2nd ed}, title={Ecotourism and sustainable development: who owns paradise?}, url={http://search.ebscohost.com/login.aspx?authtype=ip,shib&custid=s7547708&direct=true&db=nlebk&db=nlabk&site=ehost-live&scope=site&AN=399207}, publisher={Island Press}, author={Honey, Martha}, year={2008} }
@book{Newsome, David_Dowling, Ross Kingston_Moore, Susan A._2005, address={Clevedon}, title={Wildlife tourism}, volume={Aspects of tourism}, publisher={Channel View}, author={Newsome, David and Dowling, Ross Kingston and Moore, Susan A.}, year={2005} }
@book{Orams, Mark_1999, address={London}, title={Marine tourism: development, impacts and management}, publisher={Routledge}, author={Orams, Mark}, year={1999} }
@book{Orams, Mark_2002, address={London}, title={Marine tourism: development, impacts and management}, url={http://search.ebscohost.com/login.aspx?authtype=ip,shib&custid=s7547708&direct=true&db=nlebk&db=nlabk&site=ehost-live&scope=site&AN=70436}, publisher={Routledge}, author={Orams, Mark}, year={2002} }
@book{Wearing, Stephen_Neil, John_1999, address={Oxford}, title={Ecotourism: impacts, potentials, and possibilities}, publisher={Butterworth-Heinemann}, author={Wearing, Stephen and Neil, John}, year={1999} }
@book{Weiler_Black_2014, address={Bristol}, title={Tour guiding research: insights, issues and implications}, volume={Aspects of tourism}, publisher={Channel View Publications}, author={Weiler, B. and Black, Rosemary}, year={2014} }
@book{Weiler_Black_2015, address={Bristol}, title={Tour guiding research: insights, issues and implications}, volume={62}, url={https://ebookcentral.proquest.com/lib/bournemouth-ebooks/detail.action?docID=1790334}, publisher={Channel View Publications}, author={Weiler, B. and Black, Rosemary}, year={2015} }
@book{World Tourism Organization_Industry and Environment Programme Activity Centre_United Nations_1992, address={Madrid}, title={Guidelines: development of national parks and protected areas for tourism}, volume={Tourism and the environment}, publisher={WTO}, author={World Tourism Organization and Industry and Environment Programme Activity Centre and United Nations}, year={1992} }