APA aipamena

Akers, K. (1983). A vegetarian sourcebook. Vegetarian Press.

Chicago Style aipamena

Akers, Keith. A Vegetarian Sourcebook. Vegetarian Press, 1983.

MLA aipamena

Akers, Keith. A Vegetarian Sourcebook. Vegetarian Press, 1983.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.