Kostelnik, M. J. (2002). Guiding children's social development (4th ed.). Delmar Publishers.
Lua i Stíl Chicago (17ú heag.)Kostelnik, Marjorie J. Guiding Children's Social Development. 4th ed. Albany: Delmar Publishers, 2002.
Lua MLA (9ú heag.)Kostelnik, Marjorie J. Guiding Children's Social Development. 4th ed. Delmar Publishers, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.