Tohutoro APA (7th ed.)
Grennan, W. (1997). Informal logic: Issues and techniques. McGill-Queen's University Press.
Tohutoru Kātū Chicago (17th ed.)
Grennan, Wayne. Informal Logic: Issues and Techniques. Montreal ; Buffalo: McGill-Queen's University Press, 1997.
Tohutoro MLA (9th ed.)
Grennan, Wayne. Informal Logic: Issues and Techniques. McGill-Queen's University Press, 1997.
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