Billstein, R. (2004). A problem solving approach to mathematics for elementary school teachers. Pearson Addison Wesley.
Chicago Style CitationBillstein, Rick. A Problem Solving Approach to Mathematics for Elementary School Teachers. Pearson Addison Wesley, 2004.
MLA CitationBillstein, Rick. A Problem Solving Approach to Mathematics for Elementary School Teachers. Pearson Addison Wesley, 2004.
Warning: These citations may not always be 100% accurate.