Dyfyniad APA

(2005). Our human planet: Summary for decision-makers. Washington, [D.C.]: Island Press.

Dyfyniad Arddull Chicago

Our Human Planet: Summary for Decision-makers. Washington, [D.C.]: Island Press, 2005.

Dyfyniad MLA

Our Human Planet: Summary for Decision-makers. Washington, [D.C.]: Island Press, 2005.

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