edited by Reinhard Bendix and Seymour Martin Lipset
Free Press, 1966
Buku Teks
Kerbo, Harold R., author
McGraw-Hill, 2012
Buku Teks
edited by Pat Mahony, Christine Zmroczek
Taylor and Francis, 1997
Buku Teks
Edgell, Stephen, author
Routledge, 1993
Buku Teks
Centers, Richard, author
Routledge/Thoemmes Press, 1949
Buku Teks