Heppner, P. P., & Heppner, M. J. (2004). Writing and publishing your thesis, dissertation, and research: A guide for students in the helping professions. Thomson/Brooks/Cole.
Chicago Style (17. basım) AtıfHeppner, P. Paul, ve Mary J. Heppner. Writing and Publishing Your Thesis, Dissertation, and Research: A Guide for Students in the Helping Professions. Belmont, CA: Thomson/Brooks/Cole, 2004.
MLA (8th ed.) AtıfHeppner, P. Paul, ve Mary J. Heppner. Writing and Publishing Your Thesis, Dissertation, and Research: A Guide for Students in the Helping Professions. Thomson/Brooks/Cole, 2004.
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