APA-referens (7:e uppl.)

Dummeier, E. F., & Heflebower, R. B. (1950). Economics with applications to agriculture. McGraw-Hill.

Chicago-referens (17:e uppl.)

Dummeier, Edwin F, och Richard Brooks Heflebower. Economics with Applications to Agriculture. New York: McGraw-Hill, 1950.

MLA-referens (9:e uppl.)

Dummeier, Edwin F, och Richard Brooks Heflebower. Economics with Applications to Agriculture. McGraw-Hill, 1950.