Klenk & Virginia. (2008). Understanding Symbolic Logic (5th ed.). Pearson Education India.
Chicago Style (17th ed.) CitationKlenk and Virginia. Understanding Symbolic Logic. 5th ed. New Delhi: Pearson Education India, 2008.
MLA (9th ed.) CitationKlenk and Virginia. Understanding Symbolic Logic. 5th ed. Pearson Education India, 2008.
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