APA aipamena

Ackerman, B. A. (1974). The uncertain search for environmental. The Tree Press.

Chicago Style aipamena

Ackerman, Bruce A. The Uncertain Search for Environmental. The Tree Press, 1974.

MLA aipamena

Ackerman, Bruce A. The Uncertain Search for Environmental. The Tree Press, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.