Green Press, 2003
Buku Teks
Bannon, John Francis
McGraw-Hill, 1952
Buku Teks
editor-in-chief, Russell H. Fitzgibbon
University of Chicago Press, 1948
Buku Teks
Martens, Stephanie B., author
Palgrave Macmillan, 2016
Buku Teks
Muhammad Ashry Sallatu, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2008
UI - Tesis (Open)