Knutson, R. D. (1983). Agricultural and food policy. Englewood Cliffs: Prentce-Hall.
Chicago Style CitationKnutson, Ronald D. Agricultural and Food Policy. Englewood Cliffs: Prentce-Hall, 1983.
Cita MLAKnutson, Ronald D. Agricultural and Food Policy. Englewood Cliffs: Prentce-Hall, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.