Gaya APA

Stewart, A, C, D., Friedman, M, P, S. (1988). Lifelong human development . New York: John Wiley & Sons.

Gaya MLA

Stewart, Alison, Clarke, Dkk., Friedman, Marion, Perlmutter;, Susan. "Lifelong human development". New York: John Wiley & Sons, 1988. Text.