Wallace, Robert A.
Biology : the world of life
Harper Collins, 1992
 Buku Teks SO
Pauli, Wolfgang F.
The world of life : a general biology / Wolfgang F. Pauli
Houghton Miffiln, 1949
 Buku Teks SO
Pauli, Wolfgang F.
The world of life : a general biology / Wolfgang F. Pauli
Houghton Miffiln, 1949
 Buku Teks SO
Muzos, Steven J.
Study guide to accompany wallace biology: the world of life / Steven J. Muzos
Harper Collins College, 1992
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Simpson, George Gaylord
This view of life : the world of an evolutionist
Harcourt Brace & World, 1964
 Buku Teks