APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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