Murphy, L. B. (1963). The widening world of childhood: Paths toward mastery. New York: Basic Books.
Παραπομπή Chicago StyleMurphy, Lois Barclay. The Widening World of Childhood: Paths Toward Mastery. New York: Basic Books, 1963.
Παραπομπή MLAMurphy, Lois Barclay. The Widening World of Childhood: Paths Toward Mastery. New York: Basic Books, 1963.
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