Keegan, Warren J., author
Elex Media Komputindo, [date of publication no identified]
Buku Teks
Muhammad Sadji, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
UI - Tesis (Membership)
Taylor, Weldon Johnson, 1908-, author
South-Western Publishing Company, 1961
Buku Teks
Rewoldt, Stewart H.
Bina Aksara, 1988
Buku Teks
Muhammad Ulung Windupati Bisrie, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2005
UI - Tesis (Membership)