Hetherington, E. M., Parke, R. D., & Schmuckler, M. A. (2002). Child psychology: A contemporary viewpoint (1st Canadian ed.). McGraw-Hill Ryerson.
Lua i Stíl Chicago (17ú heag.)Hetherington, E. Mavis, Ross D. Parke, agus Mark A. Schmuckler. Child Psychology: A Contemporary Viewpoint. 1st Canadian ed. Toronto: McGraw-Hill Ryerson, 2002.
Lua MLA (9ú heag.)Hetherington, E. Mavis, et al. Child Psychology: A Contemporary Viewpoint. 1st Canadian ed. McGraw-Hill Ryerson, 2002.
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