Dyfyniad APA

Papalia, D. E., Olds, S. W., & Feldman, R. D. (2004). A child's world: Infancy through adolescence (Updated ninth edition.). McGraw-Hill.

Dyfyniad Arddull Chicago

Papalia, Diane E., Sally Wendkos Olds, and Ruth Duskin Feldman. A Child's World: Infancy Through Adolescence. Updated ninth edition. New York, NY: McGraw-Hill, 2004.

Dyfyniad MLA

Papalia, Diane E., et al. A Child's World: Infancy Through Adolescence. Updated ninth edition. McGraw-Hill, 2004.

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