Remington, Thomas F., 1948-, author
Pearson Longman, 2012
Buku Teks
Kelley, Donald, author
Hardcourt Brace College Publisher, 1999
Buku Teks
Hunter, Shireen, author
M.E. Sharpe, 2004
Buku Teks
Salisbury, Harrison E., author
Atheneum, 1965
Buku Teks
Rizki Andono Prakoso, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Tesis (Open)