Lua APA (7ú heag.)

Kail V. Robert & Rita Wicks- Nelson. (1993). Development Psychology (5th ed.). Prentice-Hall..

Lua i Stíl Chicago (17ú heag.)

Kail V. Robert agus Rita Wicks- Nelson. Development Psychology. 5th ed. New Jersey: Prentice-Hall., 1993.

Lua MLA (9ú heag.)

Kail V. Robert agus Rita Wicks- Nelson. Development Psychology. 5th ed. Prentice-Hall., 1993.

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