Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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