APA-referens (7:e uppl.)

FREY, B. S. (1986). International political economics. Basil Blackwell.

Chicago-referens (17:e uppl.)

FREY, Bruno S. International Political Economics. New York: Basil Blackwell, 1986.

MLA-referens (9:e uppl.)

FREY, Bruno S. International Political Economics. Basil Blackwell, 1986.