Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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