Ellis, A. K. (1998). Teaching and learning elementary social studies (6th ed.). Allyn and Bacon.
Čikaški stil citiranja (17. izdanje)Ellis, Arthur K. Teaching and Learning Elementary Social Studies. 6th ed. Boston: Allyn and Bacon, 1998.
MLA način citiranja (9. izdanje)Ellis, Arthur K. Teaching and Learning Elementary Social Studies. 6th ed. Allyn and Bacon, 1998.
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