Gaya APA

Beattie, A., R, I, E, P. (2004). Wild solutions: how biodiversity is money in the bank . London: London: Yale, 2004.

Gaya MLA

Beattie, Andrew., R, I., Ehrlich,, Paul. "Wild solutions: how biodiversity is money in the bank". London: London: Yale, 2004, 2004. .