Manktelow, Ken
Reasoning and thinking
Psychology Press, 1999
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Rips, Lance J.
The psychology of proof: Deducative reasoning in human thinking/ Lance J. Rips
The Mlt Press, 1994
 Buku Teks SO
The Cambridge handbook of thinking and reasoning
edited by Keith J. Holyoak, Robert G. Morrison
Cambridge University Press, 2005
 Buku Referensi
The Cambridge handbook of thinking and reasoning
editor, Keith J. Holyoak and Robert G. Morrison
Cambridge University Press, 2005
 Buku Teks SO
Thomson, Anne
Critical reasoning: a practical introduction
Routledge , 1996
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