Dyfyniad APA

Campbell, D. M. (2006). How to develop a professional portfolio: A manual for teachers. Boston: Pearson.

Dyfyniad Arddull Chicago

Campbell, Dorothy M. How to Develop a Professional Portfolio: A Manual for Teachers. Boston: Pearson, 2006.

Dyfyniad MLA

Campbell, Dorothy M. How to Develop a Professional Portfolio: A Manual for Teachers. Boston: Pearson, 2006.

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