edited by Anthony McGrew and Christopher Brook
Routledge, 1998
Buku Teks SO
Kojima, Kiyoshi
Croom Helm, 1977
Buku Teks
edited by Meredith Woo-Cumings and Michael Loriaux
Westview Press, 1993
Buku Teks SO
Mayall, James B.L.
Standard Publishers, 2009
Buku Teks SO
Salisbury, Harrison E.
Harper & Row , 1962
Buku Teks SO