APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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