APA aipamena

Chopra,Kanchan. (2001). Ecological economics: For sustainable development. Academic Foundation.

Chicago Style aipamena

Chopra,Kanchan. Ecological Economics: For Sustainable Development. Delhi: Academic Foundation, 2001.

MLA aipamena

Chopra,Kanchan. Ecological Economics: For Sustainable Development. Academic Foundation, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.