APA aipamena

Jonathan Turk. (1988). Environmental science. New York: Saunders College.

Chicago Style aipamena

Jonathan Turk. Environmental Science. New York: Saunders College, 1988.

MLA aipamena

Jonathan Turk. Environmental Science. New York: Saunders College, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.