Bigner, J. J. (1983). Human development: A life-span approach. Mac millan publishing Co.
Chicago Edition CitationBigner, Jerry J. Human Development: A Life-span Approach. New York: Mac millan publishing Co, 1983.
ציטוט MLABigner, Jerry J. Human Development: A Life-span Approach. Mac millan publishing Co, 1983.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.