Cita APA (7a ed.)
ebrary, Inc, & Buckley, R. (2004). Environmental impacts of ecotourism. CABI Pub..
Cita Chicago Style (17a ed.)
ebrary, Inc, y Ralf Buckley. Environmental Impacts of Ecotourism. Wallingford, Oxon, UK ; Cambridge, MA, USA: CABI Pub., 2004.
Cita MLA (9a ed.)
ebrary, Inc, y Ralf Buckley. Environmental Impacts of Ecotourism. CABI Pub., 2004.
Precaución: Estas citas no son 100% exactas.