Encyclopedia of mathematics Vol. 4
Kluwer Academic Publishers, 1995,
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Companion encyclopedia of psychology; Vol 1
edited by, Andrew M. Colman
Routledge, 1994
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Companion encyclopedia of psychology; Vol. 2
edited by Andrew M. Colman
Routledge, 1994
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The Encyclopedia of higher education vol. 4
Burton R. Clark, Guy R. Neave, editors-in-chief
Pergamon Press, 1992
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Encyclopedia of psychology and law; Vol. I & II
edited by Brian L. Cutler
Sage, 2008
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