International encyclopedia of economics; Volume one
edited by Frank N. Magill
Fitzroy Dearborn, 1997
 Buku Referensi
International encyclopedia of psychology; Volume two
edited by Frank N. Magill
Fitzroy Dearborn, 1996
 Buku Referensi
Encyclopedia of literature; Volume one
edited by Joseph T. Shipley
Philosophical Library, 1946
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Encyclopedia of psychology and religion : volume 1
edited by David A. Leeming, Kathryn Madden, Stanton Marlan
Springer, 2009
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Encyclopedia of psychology and religion : volume 2
edited by David A. Leeming, Kathryn Madden, Stanton Marlan
Springer, 2009
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