APA-referens (7:e uppl.)

BOWDEN, E. V. (1981). Economic evolution. South-Western.

Chicago-referens (17:e uppl.)

BOWDEN, Elbert V. Economic Evolution. Cincinati: South-Western, 1981.

MLA-referens (9:e uppl.)

BOWDEN, Elbert V. Economic Evolution. South-Western, 1981.