Wilson, Woodrow
The new freedom : a call for the emancipation of the generous energies of a people
Prentice-Hall, 1961
 Buku Teks
Chaisson, Eric
Astronomy today : third edition
Prentice-Hall, 1999
 Buku Referensi
Vaughan, Terry A.
Mammalogy : third edition
Saunders College Publishing, 1986
 Buku Referensi
Matlin, Margareth W.
Psychology (third edition)
Harcourt Brace College Publisher, 1999
 Buku Teks
Matlin, Margaret W.
Psychology (third edition)
Harcourt Brace College Publisher, 1999
 Buku Teks