Mader, S. S. (2001). Biology (7th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Mader, Sylvia S. Biology. 7th ed. Boston: McGraw-Hill, 2001.
Lua MLA (9ú heag.)Mader, Sylvia S. Biology. 7th ed. McGraw-Hill, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.