Singer, A. J. (2003). Social studies for secondary schools: Teaching to learn, learning to teach (2nd ed.). L. Erlbaum Associates, Publishers.
Chicago-viite (17. p.)Singer, Alan J. Social Studies for Secondary Schools: Teaching to Learn, Learning to Teach. 2nd ed. Mahwah, N.J: L. Erlbaum Associates, Publishers, 2003.
MLA-viite (9. p.)Singer, Alan J. Social Studies for Secondary Schools: Teaching to Learn, Learning to Teach. 2nd ed. L. Erlbaum Associates, Publishers, 2003.
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