Kumar, A. (2011). Principles of public administration. Global Publications.
Chicago Style (17th ed.) ZitazioaKumar, Ashok. Principles of Public Administration. New Delhi: Global Publications, 2011.
MLA (9th ed.) ZitazioaKumar, Ashok. Principles of Public Administration. Global Publications, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.