Food and Agriculture Organization of the United Nations. (1980). Special readings in conservation. Food and Agriculture Organization of the United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFood and Agriculture Organization of the United Nations. Special Readings in Conservation. Rome: Food and Agriculture Organization of the United Nations, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFood and Agriculture Organization of the United Nations. Special Readings in Conservation. Food and Agriculture Organization of the United Nations, 1980.
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