Gordon, I. J. (1962). Human development: From birth through adolescence. New York: Harper & Row.
Παραπομπή Chicago StyleGordon, Ira J. Human Development: From Birth Through Adolescence. New York: Harper & Row, 1962.
Παραπομπή MLAGordon, Ira J. Human Development: From Birth Through Adolescence. New York: Harper & Row, 1962.
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