APA (7 वां संस्करण) प्रशस्ति पत्र

Gardner, R. C. (2002). International assistance, sustainable development, and the war on terrorism. Environmental Law Institute.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gardner, Royal C. International Assistance, Sustainable Development, and the War on Terrorism. Washington, D.C.: Environmental Law Institute, 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gardner, Royal C. International Assistance, Sustainable Development, and the War on Terrorism. Environmental Law Institute, 2002.

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