Johnson, Willis H.
General biology
Holt, Rinehart and Winston, 1961
 Buku Teks
Winokur, Morris
General biology
Littlefield Adams, 1962
 Buku Teks
Johnson, Willis H.
General biology
Holt, Rinehart and Winston, 1961
 Buku Teks
Kugler, Otto E.
General biology manual Part II / Otto E. Kugler, John F. Glawe
Burges Publishing, 1968
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Krogh, David
Biology : a guide to the natural world
Pearson, 2009
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