Ellis, A. K., Fouts, J. T., & Glenn, A. D. (1991). Teaching and learning secondary social studies. HarperCollins.
Cita Chicago Style (17a ed.)Ellis, Arthur K., Jeffrey T. Fouts, y Allen D. Glenn. Teaching and Learning Secondary Social Studies. New York, NY: HarperCollins, 1991.
Cita MLA (9a ed.)Ellis, Arthur K., et al. Teaching and Learning Secondary Social Studies. HarperCollins, 1991.
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