Redstone, Louis G.
New York: McGraw-Hill, 1981
Buku Teks
Edited by Patrik O`Brian Holt; Noel Williams
Kluwer Academic Publishers , 1992
Buku Teks
Mukerjee, Radhakamal
Geotge Allen and Unwin, 1959.
Buku Teks
Lunden, Staffan
Goteborg Universitet, 2016
Buku Teks
Winda Guistya
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2017
UI - Tesis (Membership)