APA引用形式

Knutson,Ronald D, & Penn,J B. (1995). Agricultural and food policy (3.). Prentice Hall Education Career and technology.

シカゴスタイル引用形

Knutson,Ronald D, , Penn,J B. Agricultural and Food Policy. 3. New Jersey: Prentice Hall Education Career and technology, 1995.

MLA引用形式

Knutson,Ronald D, , Penn,J B. Agricultural and Food Policy. 3. Prentice Hall Education Career and technology, 1995.

警告: この引用は必ずしも正確ではありません.