Hetherington, E. M., & Parke, R. D. (1979). Child psychology: A contemporary viewpoint (2nd ed.). McGraw-Hill.

Hetherington, E. Mavis, and Ross D. Parke. Child Psychology: A Contemporary Viewpoint. 2nd ed. New York: McGraw-Hill, 1979.

Hetherington, E. Mavis, and Ross D. Parke. Child Psychology: A Contemporary Viewpoint. 2nd ed. McGraw-Hill, 1979.