Cita APA

O'Sullivan, E., Rassel, G. R., & Berner, M. (2012). Research methods for public administrators (6th ed.). Longman.

Citación estilo Chicago

O'Sullivan, Elizabethann, Gary R. Rassel, and Maureen Berner. Research Methods for Public Administrators. 6th ed. Boston: Longman, 2012.

Cita MLA

O'Sullivan, Elizabethann, et al. Research Methods for Public Administrators. 6th ed. Longman, 2012.