Leblanc, H. (1955). An introduction to deductive logic. John Wiley & Sons.
Chicago Style (17th ed.) CitationLeblanc, Hughes. An Introduction to Deductive Logic. Nueva York: John Wiley & Sons, 1955.
ציטוט MLALeblanc, Hughes. An Introduction to Deductive Logic. John Wiley & Sons, 1955.
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