Dyfyniad APA

PAPALIA, D. E., OLDS, S. W., & FELDMAN, R. D. (2002). A child's world: Infancy through adolescence.-- ed.9. McGraw-Hill.

Dyfyniad Arddull Chicago

PAPALIA, Diane E., Sally Wendkos OLDS, and Ruth Duskin FELDMAN. A Child's World: Infancy Through Adolescence.-- Ed.9. Boston: McGraw-Hill, 2002.

Dyfyniad MLA

PAPALIA, Diane E., et al. A Child's World: Infancy Through Adolescence.-- Ed.9. McGraw-Hill, 2002.

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