Snider, C. F. (1965). American state and local government (2nd ed.). Appleton.
Lua i Stíl Chicago (17ú heag.)Snider, Clyde Frank. American State and Local Government. 2nd ed. N.Y.: Appleton, 1965.
Lua MLA (8ú heag.)Snider, Clyde Frank. American State and Local Government. 2nd ed. Appleton, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.