APA (7 वां संस्करण) प्रशस्ति पत्र

Johnston, B. F., & Greaves, J. P. (1969). Manual on food and nutrition policy. Food and Agriculture Organization of the United Nations.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Johnston, Bruce F., और John Peter Greaves. Manual on Food and Nutrition Policy. Rome: Food and Agriculture Organization of the United Nations, 1969.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Johnston, Bruce F., और John Peter Greaves. Manual on Food and Nutrition Policy. Food and Agriculture Organization of the United Nations, 1969.