The Japan Institute of International Affair, 1983
Buku Teks SO
Japan Institute of International Affairs, 1977
Buku Teks SO
Tsutomu Kuroki
Pergamon Press, 1981
Buku Teks SO
Quigley, Harold S.
University of Minnesota Press, 1956
Buku Teks SO
McNelly, Theodore
Houghton Mifflin, 1972
Buku Teks SO