Welton, D. A. (1981). Children and their world: Strategies for teaching social studies (2nd ed.). Houghton Mifflin.
Citace podle Chicago (17th ed.)Welton, David A. Children and Their World: Strategies for Teaching Social Studies. 2nd ed. Boston: Houghton Mifflin, 1981.
Citace podle MLA (9th ed.)Welton, David A. Children and Their World: Strategies for Teaching Social Studies. 2nd ed. Houghton Mifflin, 1981.
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