Dyfyniad APA

PAPALIA, D. E., & OLDS, S. W. (1985). Psychology. McGraw-Hill Book.

Dyfyniad Arddull Chicago

PAPALIA, Diane E., and Sally Wendkos OLDS. Psychology. New York: McGraw-Hill Book, 1985.

Dyfyniad MLA

PAPALIA, Diane E., and Sally Wendkos OLDS. Psychology. McGraw-Hill Book, 1985.

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