Stein, M., Silbert, J., & Carnine, D. (1997). Designing effective mathematics instruction: A direct approach (3rd ed.). Merrill.
Chicago Style (17. basım) AtıfStein, Marcy, Jerry Silbert, ve Douglas Carnine. Designing Effective Mathematics Instruction: A Direct Approach. 3rd ed. Upper Saddle River, NJ: Merrill, 1997.
MLA (9th ed.) AtıfStein, Marcy, et al. Designing Effective Mathematics Instruction: A Direct Approach. 3rd ed. Merrill, 1997.
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