克里德 & 何克勇. (2008). 远程教育的研究与评估: Practitioner research and evaluation skills training in open and distance learning. 中央广播电视大学出版社.
Chicago Style (17. basım) Atıf克里德 ve 何克勇. 远程教育的研究与评估: Practitioner Research and Evaluation Skills Training in Open and Distance Learning. 中央广播电视大学出版社, 2008.
MLA (8th ed.) Atıf克里德 ve 何克勇. 远程教育的研究与评估: Practitioner Research and Evaluation Skills Training in Open and Distance Learning. 中央广播电视大学出版社, 2008.
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