Chaffee, J. (2017). Thinking critically (12th edition.). Cengage Learning.
Tohutoru Kātū Chicago (17th ed.)Chaffee, John. Thinking Critically. 12th edition. Boston, MA: Cengage Learning, 2017.
Tohutoro MLA (9th ed.)Chaffee, John. Thinking Critically. 12th edition. Cengage Learning, 2017.
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