Alters, S. (1996). Biology: Understanding Life (2nd ed.). Mosby-Year Book.
Chicago Style (17th ed.) CitationAlters, Sandra. Biology: Understanding Life. 2nd ed. Missouri: Mosby-Year Book, 1996.
MLA (9th ed.) CitationAlters, Sandra. Biology: Understanding Life. 2nd ed. Mosby-Year Book, 1996.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.