Savage, T. V., & Armstrong, D. G. (2008). Effective teaching in elementary social studies (6th ed.). Pearson/Merrill Prentice Hall.
Citace podle Chicago (17th ed.)Savage, Tom V., a David G. Armstrong. Effective Teaching in Elementary Social Studies. 6th ed. Upper Saddle River, N.J: Pearson/Merrill Prentice Hall, 2008.
Citace podle MLA (9th ed.)Savage, Tom V., a David G. Armstrong. Effective Teaching in Elementary Social Studies. 6th ed. Pearson/Merrill Prentice Hall, 2008.
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