Lua APA (7ú heag.)

Keenan, T. An introduction to child development. Sage Publications.

Lua i Stíl Chicago (17ú heag.)

Keenan, Thomas. An Introduction to Child Development. Sage Publications.

Lua MLA (8ú heag.)

Keenan, Thomas. An Introduction to Child Development. Sage Publications.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.