Christensen, Kit R.
Philosophy and choice : selected readings from around the world
McGraw-Hill, 2002
 Buku Teks
Ideological differences and world order: studies in the philosophy and science of the world's cultures
edited by F.S.C. Northrop
Yale University Press, 1949
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Iannone, A. Pablo
Dictionary of world philosophy
Routledge, 2001
 Buku Referensi
Readings in philosophy
edited by John Herman Randali, Justus Buchler
Barnes & Noble, 1950
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Russell, Bertrand, 1872-1970
An outline of philosophy
Routledge, 1996
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