Dyfyniad APA

O'Sullivan, E., Rassel, G. R., & Berner, M. (2008). Research methods for public administrators (5th ed.). Pearson/Longman.

Dyfyniad Arddull Chicago

O'Sullivan, Elizabethann, Gary Raymond Rassel, and Maureen Berner. Research Methods for Public Administrators. 5th ed. New York: Pearson/Longman, 2008.

Dyfyniad MLA

O'Sullivan, Elizabethann, et al. Research Methods for Public Administrators. 5th ed. Pearson/Longman, 2008.

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