Sheffield, L. J., & Cruikshank, D. E. (2005). Teaching and learning mathematics: Pre-kindergarten through middle school (5th ed.). Wiley.
Citace podle Chicago (17th ed.)Sheffield, Linda Jensen, a Douglas E. Cruikshank. Teaching and Learning Mathematics: Pre-kindergarten Through Middle School. 5th ed. New York: Wiley, 2005.
Citace podle MLA (9th ed.)Sheffield, Linda Jensen, a Douglas E. Cruikshank. Teaching and Learning Mathematics: Pre-kindergarten Through Middle School. 5th ed. Wiley, 2005.
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