Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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