Dyfyniad APA

Gore, A. (2007). Earth in the balance: Forging a new common purpose. Earthscan.

Dyfyniad Arddull Chicago

Gore, Al. Earth in the Balance: Forging a New Common Purpose. London: Earthscan, 2007.

Dyfyniad MLA

Gore, Al. Earth in the Balance: Forging a New Common Purpose. Earthscan, 2007.

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