Cooper, T. L. (1991). An ethic of citizenship for public administration. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Cooper, Terry L. An Ethic of Citizenship for Public Administration. Englewood Cliffs, N.J: Prentice-Hall, 1991.
Lua MLA (9ú heag.)Cooper, Terry L. An Ethic of Citizenship for Public Administration. Prentice-Hall, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.