Gore, A. (1992). Earth in the balance: Forging a new common purpose. Viva Books Pvt. Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGore, Al. Earth in the Balance: Forging a New Common Purpose. Viva Books Pvt. Ltd, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGore, Al. Earth in the Balance: Forging a New Common Purpose. Viva Books Pvt. Ltd, 1992.
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