Hetherington, E. M., Locke, V. O., & Parke, R. D. (1999). Child psychology: A contemporary viewpoint (5th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Hetherington, E. Mavis, Virginia O. Locke, agus Ross D. Parke. Child Psychology: A Contemporary Viewpoint. 5th ed. Boston: McGraw-Hill, 1999.
Lua MLA (9ú heag.)Hetherington, E. Mavis, et al. Child Psychology: A Contemporary Viewpoint. 5th ed. McGraw-Hill, 1999.
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