APA ציטוט

Knutson, R. D. (1998). Agricultural and food policy. New Jersey: Prentice Hall.

Trích dẫn kiểu Chicago

Knutson, Ronald D. Agricultural and Food Policy. New Jersey: Prentice Hall, 1998.

ציטוט MLA

Knutson, Ronald D. Agricultural and Food Policy. New Jersey: Prentice Hall, 1998.