National Research Council (U.S.). Committee on Twenty-First Century Systems Agriculture & ebrary, Inc. (2010). Toward sustainable agricultural systems in the 21st century. National Academies Press.
芝加哥风格引文National Research Council (U.S.). Committee on Twenty-First Century Systems Agriculture 与 Inc ebrary. Toward Sustainable Agricultural Systems in the 21st Century. Washington, D.C.: National Academies Press, 2010.
MLA引文National Research Council (U.S.). Committee on Twenty-First Century Systems Agriculture 与 Inc ebrary. Toward Sustainable Agricultural Systems in the 21st Century. National Academies Press, 2010.
警告：这些引文格式不一定是100％准确.