O'Brien, T., & Guiney, D. (2001). Differentiation in teaching and learning: Principles and practice. Continuum.
Citazione stile Chigago Style (17a edizione)O'Brien, Tim, e Dennis Guiney. Differentiation in Teaching and Learning: Principles and Practice. London: Continuum, 2001.
Citatione MLA (9a ed.)O'Brien, Tim, e Dennis Guiney. Differentiation in Teaching and Learning: Principles and Practice. Continuum, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.