Bradley, J. (2003). The open classroom: Distance learning in and out of schools. Kogan Page.
芝加哥风格引文Bradley, Jo. The Open Classroom: Distance Learning in and Out of Schools. Kogan Page, 2003.
MLA引文Bradley, Jo. The Open Classroom: Distance Learning in and Out of Schools. Kogan Page, 2003.
警告：这些引文格式不一定是100％准确.