American government
by Susan Welch ... [and others]
Thomson, 2006
 Buku Teks
Sayre, Wallace S.
American government
Barnes & Noble, 1964
 Buku Teks
Posey, Rollin Bennett
American government
Littlefield, Adam, 1958
 Buku Teks
OConnor, Karen
American government
Addison Wesley Longman, 2001
 Buku Teks
The Harvard classics: volume 28, essays English and American
edited by Charles W. Eliot
P. F. Collier & Son Corporation, 1959 ; 1969
 Buku Teks