APA aipamena

Turk, A., & Wittes, J. T. (1972). Ecology pollution evironment. Saunders Company.

Chicago Style aipamena

Turk, Amos, and Janet T. Wittes. Ecology Pollution Evironment. Saunders Company, 1972.

MLA aipamena

Turk, Amos, and Janet T. Wittes. Ecology Pollution Evironment. Saunders Company, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.