Patman, Wright, 1893-1976
Our American government : the answers to 1001 questions on how it works
Bantam Books, 1957
 Buku Teks
An outline of American Government
edited by Nathan Glick
United Sates Information Agency, 1989
 Buku Teks
Outline of U.S. government
United States Department of State, 1991
 Buku Teks
Garis besar pemrintahan Amerika Serikat
Departemen Luar Negeri Amerika Serikat, 1991
 Buku Teks
Brewster, Lawrence G.
A primer of california politics
Thomson Wadsworth, 2004
 Buku Teks