Wilson, Woodrow
The new freedom : a call for the emancipation of the generous energies of a people
Prentice-Hall, 1961
 Buku Teks SO
Chaisson, Eric
Astronomy today : third edition
Prentice-Hall, 1999
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Vaughan, Terry A.
Mammalogy : third edition
Saunders College Publishing, 1986
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Plant biochemistry : third edition
edited by James Bonner and Joseph E. Varner
Academic Press, 1976
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Matlin, Margareth W.
Psychology (third edition)
Harcourt Brace College Publisher, 1999
 Buku Teks SO