Roethel, L. F. (1976). Logic, sets & numbers (2nd ed.). Wadsworth.
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Chicago Style (17th ed.) Citation
Roethel, Louis F. Logic, Sets & Numbers. 2nd ed. Belmont, Calif.: Wadsworth, 1976.
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MLA引文
Roethel, Louis F. Logic, Sets & Numbers. 2nd ed. Wadsworth, 1976.
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警告：這些引文格式不一定是100％准確.