Dyfyniad APA
ebrary, Inc, Cartron, J. E., Ceballos, G., & Felger, R. S. (2004). Biodiversity, ecosystems and conservation in Northern Mexico. Oxford University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Jean-Luc E. Cartron, Gerardo Ceballos, and Richard Stephen Felger. Biodiversity, Ecosystems and Conservation in Northern Mexico. New York ; Oxford: Oxford University Press, 2004.
Dyfyniad MLA
ebrary, Inc, et al. Biodiversity, Ecosystems and Conservation in Northern Mexico. Oxford University Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.