Billstein, R., Libeskind, S., & Lott, J. W. (1981). A problem solving approach to mathematics for elementary school teachers. Benjamin/Cummings Pub. Co..
Chicago Style (17th ed.) CitationBillstein, Rick, Shlomo Libeskind, and Johnny W. Lott. A Problem Solving Approach to Mathematics for Elementary School Teachers. Menlo Park, Calif.: Benjamin/Cummings Pub. Co., 1981.
MLA (9th ed.) CitationBillstein, Rick, et al. A Problem Solving Approach to Mathematics for Elementary School Teachers. Benjamin/Cummings Pub. Co., 1981.
Warning: These citations may not always be 100% accurate.