Dyfyniad APA

Hetherington, M. E., & Parke, R. D. (1977). Contemporary reading in child psychology. Mcgraw-Hill.

Dyfyniad Arddull Chicago

Hetherington, Mavis E., and Ross D. Parke. Contemporary Reading in Child Psychology. New York: Mcgraw-Hill, 1977.

Dyfyniad MLA

Hetherington, Mavis E., and Ross D. Parke. Contemporary Reading in Child Psychology. Mcgraw-Hill, 1977.

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