Berg, A. D. (1981). Malnourished people: A policy view. World Bank.
芝加哥风格引文Berg, Alan D. Malnourished People: A Policy View. Washington: World Bank, 1981.
MLA引文Berg, Alan D. Malnourished People: A Policy View. World Bank, 1981.
警告：这些引文格式不一定是100％准确.