APA-viite (7. p.)

Kohls, R. L., & Downey, W. D. (1972). Marketing of agricultural products (4th ed.). Macmillan.

Chicago-viite (17. p.)

Kohls, Richard L., ja W. David Downey. Marketing of Agricultural Products. 4th ed. New York: Macmillan, 1972.

MLA-viite (8. p.)

Kohls, Richard L., ja W. David Downey. Marketing of Agricultural Products. 4th ed. Macmillan, 1972.