Dyfyniad APA

Clarke-Stewart, A., Friedman, S., & Perlmutter, M. (1988). Lifelong human development. Wiley.

Dyfyniad Arddull Chicago

Clarke-Stewart, Alison, Susan Friedman, and Marion Perlmutter. Lifelong Human Development. New York, New York: Wiley, 1988.

Dyfyniad MLA

Clarke-Stewart, Alison, et al. Lifelong Human Development. Wiley, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.