APA aipamena

Pearce, D. W., & Moran, D. (1994). The economic value of biodiversity. Earthscan.

Chicago Style aipamena

Pearce, David W., and Dominic Moran. The Economic Value of Biodiversity. London: Earthscan, 1994.

MLA aipamena

Pearce, David W., and Dominic Moran. The Economic Value of Biodiversity. Earthscan, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.