D'Angelo, P. J., & West, B. D. (2000). Mathematical thinking, problem - solving and proofs (2nd Ed.). New jersey: Pearson education international.
Chicago Style CitationD'Angelo, P. John, and B. Douglas West. Mathematical Thinking, Problem - Solving and Proofs. 2nd Ed. New jersey: Pearson education international, 2000.
MLA CitationD'Angelo, P. John, and B. Douglas West. Mathematical Thinking, Problem - Solving and Proofs. 2nd Ed. New jersey: Pearson education international, 2000.
Warning: These citations may not always be 100% accurate.