Shafritz, J. M. (1987). Classics of public administration (2nd ed.). Brooks.
Cita Chicago (17th ed.)Shafritz, Jay M. Classics of Public Administration. 2nd ed. California: Brooks, 1987.
Cita MLA (9th ed.)Shafritz, Jay M. Classics of Public Administration. 2nd ed. Brooks, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.