Mader, S. S. (1993). Biology: Part five, Biology of animal structure and function (4th ed.). Wm. C. Brown Publishers.
Chicago-viite (17. p.)Mader, Sylvia S. Biology: Part Five, Biology of Animal Structure and Function. 4th ed. Dubuque, IA: Wm. C. Brown Publishers, 1993.
MLA-viite (9. p.)Mader, Sylvia S. Biology: Part Five, Biology of Animal Structure and Function. 4th ed. Wm. C. Brown Publishers, 1993.
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