Swain, R. L. Understanding Arithmetic. Holt, Rinehart and Winslon.
Chicago Style (17th ed.) CitationSwain, Robert L. Understanding Arithmetic. Holt, Rinehart and Winslon.
MLA (8th ed.) CitationSwain, Robert L. Understanding Arithmetic. Holt, Rinehart and Winslon.
Warning: These citations may not always be 100% accurate.