Kerbo, Harold R., author
McGraw-Hill, 2012
Buku Teks
edited by Reinhard Bendix and Seymour Martin Lipset
Free Press, 1966
Buku Teks
Matras, Judah
Prentice-Hall, 1975
Buku Teks
Junsuke Hara, author
Trans Pacific Press, 2005
Buku Teks
edited by Reinhard Bendix, Seymour Martin Lipset
Free Press, 1953
Buku Teks