Knutson, R. D. (1998). Agricultural and food policy. New Jersey: Prentice Hall.
シカゴスタイル引用形Knutson, Ronald D. Agricultural and Food Policy. New Jersey: Prentice Hall, 1998.
MLA引用形式Knutson, Ronald D. Agricultural and Food Policy. New Jersey: Prentice Hall, 1998.
警告: この引用は必ずしも正確ではありません.