Downey, W. D., & Trocke, J. K. (1981). Agribusiness management. Mc GrawHill.
Chicago Edition CitationDowney, W. David, i John K. Trocke. Agribusiness Management. New York: Mc GrawHill, 1981.
Cita MLADowney, W. David, i John K. Trocke. Agribusiness Management. Mc GrawHill, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.