Sonnabend, T. (1997). Instructor's resource manual to accompany Mathematics for elementary teachers: An interactive approach (2nd ed.). Saunders College Publishing.
Citace podle Chicago (17th ed.)Sonnabend, Thomas. Instructor's Resource Manual to Accompany Mathematics for Elementary Teachers: An Interactive Approach. 2nd ed. Fort Worth: Saunders College Publishing, 1997.
Citace podle MLA (9th ed.)Sonnabend, Thomas. Instructor's Resource Manual to Accompany Mathematics for Elementary Teachers: An Interactive Approach. 2nd ed. Saunders College Publishing, 1997.
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