Bingham, R. D., & Hedge, D. (1991). State and local government in a changing society (2nd ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Bingham, Richard D., agus David Hedge. State and Local Government in a Changing Society. 2nd ed. New York: McGraw-Hill, 1991.
Lua MLA (8ú heag.)Bingham, Richard D., agus David Hedge. State and Local Government in a Changing Society. 2nd ed. McGraw-Hill, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.