Ennis, Robert H.
Critical thinking
Prentice-Hall, 1996
 Buku Teks SO
Reichenbach, Bruce R.
Introduction to critical thinking
McGraw-Hill, 2001
 Buku Teks SO
Ennis, Robert H.
Critical thinking
Prentice-Hall, 1996
 Buku Teks SO
Salmon, Merrilee H.
Introduction to logic and critical thinking
Wadsworth, 2013
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Rainbolt, George W.
Critical thingking : the art of argument
Wadsworth and Cengage Learning, 2012
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