Johnston, B. F., & Greaves, J. P. (1969). Manual on food and nutrition policy. Food and Agriculture Organization of the United Nations.
芝加哥风格引文Johnston, Bruce F., 与 John Peter Greaves. Manual on Food and Nutrition Policy. Rome: Food and Agriculture Organization of the United Nations, 1969.
MLA引文Johnston, Bruce F., 与 John Peter Greaves. Manual on Food and Nutrition Policy. Food and Agriculture Organization of the United Nations, 1969.
警告：这些引文格式不一定是100％准确.