Klausmeier, H. J., Frayer, D. A., & Ghatala, E. S. (1974). Conceptual learning and development: A cognitive view. Academic Press.
Chicago Style (17. basım) AtıfKlausmeier, Herbert John, Dorothy Ann Frayer, ve Elizabeth Schwenn Ghatala. Conceptual Learning and Development: A Cognitive View. New York: Academic Press, 1974.
MLA (9th ed.) AtıfKlausmeier, Herbert John, et al. Conceptual Learning and Development: A Cognitive View. Academic Press, 1974.
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