Bigner, J. J. (1983). Human development: A life-span approach. Mac millan publishing Co.
Chicago Style citaatBigner, Jerry J. Human Development: A Life-span Approach. New York: Mac millan publishing Co, 1983.
MLA citatieBigner, Jerry J. Human Development: A Life-span Approach. Mac millan publishing Co, 1983.
Let op: Deze citaties zijn niet altijd 100% accuraat.