Dyfyniad APA

Williams, J. W., & Stith, M. (1980). Middle childhood: Behavior and development (2nd ed.). Macmillan.

Dyfyniad Arddull Chicago

Williams, Joyce Wolfgang, and Marjorie Stith. Middle Childhood: Behavior and Development. 2nd ed. New York: Macmillan, 1980.

Dyfyniad MLA

Williams, Joyce Wolfgang, and Marjorie Stith. Middle Childhood: Behavior and Development. 2nd ed. Macmillan, 1980.

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