Black, J. D. n. 1., & Black, J. D. n. 1. (1993). Introduction to economics for agriculture. New York, New York: Macmillan.
Chicago Style CitationBlack, John Donald n. 1883, and John Donald n. 1883 Black. Introduction to Economics for Agriculture. New York, New York: Macmillan, 1993.
MLA CitationBlack, John Donald n. 1883, and John Donald n. 1883 Black. Introduction to Economics for Agriculture. New York, New York: Macmillan, 1993.
Warning: These citations may not always be 100% accurate.