Hurley, P. J. (1985). A concise introduction to logic (2nd ed.). Wadsworth.
Chicago Style (17. basım) AtıfHurley, Patrick J. A Concise Introduction to Logic. 2nd ed. Belmont, Calif.: Wadsworth, 1985.
MLA (9th ed.) AtıfHurley, Patrick J. A Concise Introduction to Logic. 2nd ed. Wadsworth, 1985.
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