Mader, S. S. (1996). Biology (Fifth edition.). Wm. C. Brown.
Cita Chicago (17th ed.)Mader, Sylvia S. Biology. Fifth edition. Dubuque, Iowa: Wm. C. Brown, 1996.
Cita MLA (9th ed.)Mader, Sylvia S. Biology. Fifth edition. Wm. C. Brown, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.