Gore, A. (2007). Earth in the balance: Forging a new common purpose. Earthscan.
استشهاد بنمط شيكاغوGore, Al. Earth in the Balance: Forging a New Common Purpose. London: Earthscan, 2007.
MLA استشهادGore, Al. Earth in the Balance: Forging a New Common Purpose. Earthscan, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.