Dyfyniad APA

Beattie, A. J., & Ehrlich, P. R. (2001). Wild solutions: How biodiversity is money in the bank. Yale University Press.

Dyfyniad Arddull Chicago

Beattie, Andrew J., and Paul R. Ehrlich. Wild Solutions: How Biodiversity Is Money in the Bank. New Haven: Yale University Press, 2001.

Dyfyniad MLA

Beattie, Andrew J., and Paul R. Ehrlich. Wild Solutions: How Biodiversity Is Money in the Bank. Yale University Press, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.