Lua APA (7ú heag.)
Billington, T. (2006). Working with children: Assessment, representation, and intervention. SAGE.
Lua i Stíl Chicago (17ú heag.)
Billington, Tom. Working with Children: Assessment, Representation, and Intervention. London ; Thousand Oaks, Calif.: SAGE, 2006.
Lua MLA (9ú heag.)
Billington, Tom. Working with Children: Assessment, Representation, and Intervention. SAGE, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.