OConnor, Karen
American government
Addison Wesley Longman, 2001
 Buku Teks
American democracy institutions, politics, and policies
by William J. Keefe ... [and others]
The Dorsey Press, 1983
 Buku Teks SO
Aranson, Peter H.
American government: strategy and choice
Winthrop, 1981
 Buku Teks SO
Lancaster, Lane W.
Government in rural America
Van Nostrand Reinhold, 1952
 Buku Teks
Anderson, William, 1888-
American city government
Holt, Rinehart and Winston, 1954
 Buku Teks SO