Dyfyniad APA

(2011). Global biodiversity assessment : summary: For policy-makers. Cambridge University Press.

Dyfyniad Arddull Chicago

Global Biodiversity Assessment : Summary: For Policy-makers. New York: Cambridge University Press, 2011.

Dyfyniad MLA

Global Biodiversity Assessment : Summary: For Policy-makers. Cambridge University Press, 2011.

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