APA引文

Heimer, R. T., & Trueblood, C. R. (1977). Strategies for teaching children mathematics. Addison-Wesley Pub. Co..

Chicago Style (17th ed.) Citation

Heimer, Ralph T., and Cecil R. Trueblood. Strategies for Teaching Children Mathematics. Reading, Mass.: Addison-Wesley Pub. Co., 1977.

MLA引文

Heimer, Ralph T., and Cecil R. Trueblood. Strategies for Teaching Children Mathematics. Addison-Wesley Pub. Co., 1977.