Shafritz, J. M. (1987). Classics of public administration (2nd ed.). Brooks.
Lua i Stíl Chicago (17ú heag.)Shafritz, Jay M. Classics of Public Administration. 2nd ed. California: Brooks, 1987.
Lua MLA (9ú heag.)Shafritz, Jay M. Classics of Public Administration. 2nd ed. Brooks, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.