Dworetzky, J. P. (1993). Introduction to child development (5th ed.). West Pub. Co..
Lua i Stíl Chicago (17ú heag.)Dworetzky, John P. Introduction to Child Development. 5th ed. Minneapolis/St. Paul: West Pub. Co., 1993.
Lua MLA (8ú heag.)Dworetzky, John P. Introduction to Child Development. 5th ed. West Pub. Co., 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.