Dyfyniad APA

Weiner, I. B., & Elkind, D. (1972). Child development: A core approach. Wiley.

Dyfyniad Arddull Chicago

Weiner, Irving B., and David Elkind. Child Development: A Core Approach. New York: Wiley, 1972.

Dyfyniad MLA

Weiner, Irving B., and David Elkind. Child Development: A Core Approach. Wiley, 1972.

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