Hanna, L. A., Potter, G. L., & Reynolds, R. W. (1973). Dynamic elementary social studies: Unit teaching (3d ed.). Holt, Rinehart and Winston.
Citace podle Chicago (17th ed.)Hanna, Lavone A., Gladys L. Potter, a Robert W. Reynolds. Dynamic Elementary Social Studies: Unit Teaching. 3d ed. New York: Holt, Rinehart and Winston, 1973.
Citace podle MLA (8th ed.)Hanna, Lavone A., et al. Dynamic Elementary Social Studies: Unit Teaching. 3d ed. Holt, Rinehart and Winston, 1973.
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