Jelaskan Lihat juga dari Kor dalam bahasa melayu

Phisterer, Frederick, Statistical Record of the Armies of the United States, Castle Books, 1883, ISBN 0-7858-1585-6.

Tsouras, P.G. Changing Orders: The evolution of the World's Armies, 1945 to the Present Facts On File, Inc, 1994. ISBN 0-8160-3122-3

Warsaw Pact June 1989 OOB