Brion, J. P., & Regunay, J. M. (2018). Promoting community engagement in sustainable ecotourism development planning in protected areas: The case of Naujan Lake Natural Park. School of Urban and Regional Planning, University of the Philippines Diliman.
Chicago-referens (17:e uppl.)Brion, Juliepearl P., och Jose M. Regunay. Promoting Community Engagement in Sustainable Ecotourism Development Planning in Protected Areas: The Case of Naujan Lake Natural Park. Quezon City: School of Urban and Regional Planning, University of the Philippines Diliman, 2018.
MLA-referens (9:e uppl.)Brion, Juliepearl P., och Jose M. Regunay. Promoting Community Engagement in Sustainable Ecotourism Development Planning in Protected Areas: The Case of Naujan Lake Natural Park. School of Urban and Regional Planning, University of the Philippines Diliman, 2018.