Brower, D. (1992). The world in the twentieth century: The age of global war and revolution (2nd ed.). Prentice-Hall.
Dyfyniad Arddull ChicagoBrower, Daniel. The World in the Twentieth Century: The Age of Global War and Revolution. 2nd ed. New Jersey: Prentice-Hall, 1992.
Dyfyniad MLABrower, Daniel. The World in the Twentieth Century: The Age of Global War and Revolution. 2nd ed. Prentice-Hall, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.