Miller, D. F. (2007). Positive child guidance (5th ed.). Thomson/Delmar Learning.
Lua i Stíl Chicago (17ú heag.)Miller, Darla Ferris. Positive Child Guidance. 5th ed. Clifton Park, N.Y: Thomson/Delmar Learning, 2007.
Lua MLA (9ú heag.)Miller, Darla Ferris. Positive Child Guidance. 5th ed. Thomson/Delmar Learning, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.