APA (7. basım) Alıntı

Koivisto, W. A. (1957). Principles and problems of modern economics. Wiley.

Chicago Style (17. basım) Atıf

Koivisto, William A. Principles and Problems of Modern Economics. New York: Wiley, 1957.

MLA (9th ed.) Atıf

Koivisto, William A. Principles and Problems of Modern Economics. Wiley, 1957.