National Research Council (U.S.). Board on Agriculture. Committee on Conservation Needs and Opportunities. (1986). Soil conservation: Assessing the national resources inventory. National Academy Press.
芝加哥风格引文National Research Council (U.S.). Board on Agriculture. Committee on Conservation Needs and Opportunities. Soil Conservation: Assessing the National Resources Inventory. Washington, D.C.: National Academy Press, 1986.
MLA引文National Research Council (U.S.). Board on Agriculture. Committee on Conservation Needs and Opportunities. Soil Conservation: Assessing the National Resources Inventory. National Academy Press, 1986.
警告：这些引文格式不一定是100％准确.