Lua APA (7ú heag.)
Keenan, T. (2002). An introduction to child development. Sage Publications.
Lua i Stíl Chicago (17ú heag.)
Keenan, Thomas. An Introduction to Child Development. Los Angeles: Sage Publications, 2002.
Lua MLA (9ú heag.)
Keenan, Thomas. An Introduction to Child Development. Sage Publications, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.