Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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