APA-čujuhus (7. p.)

Bradley, J. (2003). The open classroom: Distance learning in and out of schools. Kogan Page.

Chicago-čujuhus (17. p.)

Bradley, Jo. The Open Classroom: Distance Learning in and Out of Schools. Kogan Page, 2003.

MLA-čujuhus (9. p.)

Bradley, Jo. The Open Classroom: Distance Learning in and Out of Schools. Kogan Page, 2003.

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