APA aipamena

(2008). Willingness to pay for the conservation of endangered species in four Asian countries. Singapore: Economy and Enviroment program for Southest Asia.

Chicago Style aipamena

Willingness to Pay for the Conservation of Endangered Species in Four Asian Countries. Singapore: Economy and Enviroment program for Southest Asia, 2008.

MLA aipamena

Willingness to Pay for the Conservation of Endangered Species in Four Asian Countries. Singapore: Economy and Enviroment program for Southest Asia, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.