Lua APA (7ú heag.)

Ireson, J., & Hallam, S. (2003). Ability grouping in education. Paul Chapman ; Sage.

Lua i Stíl Chicago (17ú heag.)

Ireson, Judith, agus Susan Hallam. Ability Grouping in Education. London: Paul Chapman ; Sage, 2003.

Lua MLA (8ú heag.)

Ireson, Judith, agus Susan Hallam. Ability Grouping in Education. Paul Chapman ; Sage, 2003.

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