Litterer, Joseph August, 1926-, author
John Wiley & Sons, 1973
Buku Teks
Lusiana Wijaya, author
2013
UI - Tesis (Membership)
Pfifner, John M., author
Prentice-Hall, 1960
Buku Teks
Kusharyanto, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Tesis (Membership)
Jay M. Shafritz, J. Steven Ott, editor
Harcourt College, 2001
Buku Teks