Mader, S. S. (1985). Biology (3.). Wm C Brown publishers.
Chicago Style aipamenaMader, Sylvia S. Biology. 3. U S: Wm C Brown publishers, 1985.
MLA aipamenaMader, Sylvia S. Biology. 3. Wm C Brown publishers, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.