United Nations. Dept. of Technical Cooperation for Development. (1987). Guidelines for development planning: Procedures, methods, and techniques. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Dept. of Technical Cooperation for Development. Guidelines for Development Planning: Procedures, Methods, and Techniques. New York: United Nations, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Dept. of Technical Cooperation for Development. Guidelines for Development Planning: Procedures, Methods, and Techniques. United Nations, 1987.
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