Bradley, J. (2003). The open classroom: Distance learning in and out of schools. Kogan Page.
Citazione stile Chigago Style (17a edizione)Bradley, Jo. The Open Classroom: Distance Learning in and Out of Schools. Kogan Page, 2003.
Citatione MLA (9a ed.)Bradley, Jo. The Open Classroom: Distance Learning in and Out of Schools. Kogan Page, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.