Lefrancois, G. R. (1995). Of children: An introduction to child development (8th ed.). Wadsworth.
Lua i Stíl Chicago (17ú heag.)Lefrancois, Guy R. Of Children: An Introduction to Child Development. 8th ed. Belmont: Wadsworth, 1995.
Lua MLA (9ú heag.)Lefrancois, Guy R. Of Children: An Introduction to Child Development. 8th ed. Wadsworth, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.