Donald E P Smith. (1961). Learning to learn. New York: Harcourt, Brace and World.
シカゴスタイル引用形Donald E P Smith. Learning to Learn. New York: Harcourt, Brace and World, 1961.
MLA引用形式Donald E P Smith. Learning to Learn. New York: Harcourt, Brace and World, 1961.
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