Ewing, J.H.
The world's living religions : a searching comparison of the faiths of east and west
Dell Publishing, 1964
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Stokes, Adrian V.
Concise encyclopedia of information technology
Wildwood House, 1986
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Concise encyclopedia of modelling & simulation
edited by Derek P. Atherton, Pierre Borne
Pergamon Press, 1992
 Buku Referensi
Britannica concise encyclopedia
Encyclopaedia Britannica, 2002
 Buku Referensi
Concise Routledge encyclopedia of philosophy
Routledge, 2000
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