Gardner, D.H.
New York: Institute of Pasific Relations, 1950
Buku Teks
Kent, P. H. B.
Edward Arnold, 1937
Buku Teks
Clyde, Paul H. (Paul Hibbert), author
Prentice-Hall, 1953
Buku Teks
Gull, E.M.
The Royal Institute of International Affairs, 1947
Buku Teks
Walker, Allan S., author
Australian War Memorial, 1956
Buku Teks