Lua APA (7ú heag.)
Helms Donald B. (1976). Exploring child behavior (ed.).
Lua i Stíl Chicago (17ú heag.)
Helms Donald B. Exploring Child Behavior. ed. Child psychology, 1976.
Lua MLA (9ú heag.)
Helms Donald B. Exploring Child Behavior. ed. 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.