APA aipamena

R B CLARK. (1997). Marine pollution. Oxford: Oxford Univ. Press.

Chicago Style aipamena

R B CLARK. Marine Pollution. Oxford: Oxford Univ. Press, 1997.

MLA aipamena

R B CLARK. Marine Pollution. Oxford: Oxford Univ. Press, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.