Bigner, J. J. (1983). Human development: A life-span approach. Mac millan publishing Co.
Chicago Stili AlıntıBigner, Jerry J. Human Development: A Life-span Approach. New York: Mac millan publishing Co, 1983.
MLA AlıntıBigner, Jerry J. Human Development: A Life-span Approach. Mac millan publishing Co, 1983.
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