Milner, Ian F. G.
International Secretariat Institute of Pacific Relations, 1939
Buku Teks
Quigley, Harold S., author
World Peace Foundation, 1938
Buku Teks
Latourette, Kenneth Scott, author
Macmillan, 1952
Buku Teks
Tahkur, Ramesh, author
Westview Press, 1986
Buku Referensi
Millard, Thomas F., author
Fisher Unwin, 1908
Buku Teks