APA aipamena

Bowden, E. V. (1981). Economic Evolution. Cincinnati: South-Western Publishing.

Chicago Style aipamena

Bowden, Elbert V. Economic Evolution. Cincinnati: South-Western Publishing, 1981.

MLA aipamena

Bowden, Elbert V. Economic Evolution. Cincinnati: South-Western Publishing, 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.