Tittle, P. (2011). Critical thinking : an appeal to reason: An appeal to reason. Routledge.
Chicago-viite (17. p.)Tittle, Peg. Critical Thinking : An Appeal to Reason: An Appeal to Reason. New York: Routledge, 2011.
MLA-viite (9. p.)Tittle, Peg. Critical Thinking : An Appeal to Reason: An Appeal to Reason. Routledge, 2011.
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