Hobsbawm, E. J. (1994). The age of extremes: A history of the world, 1914 - 1991. Vintage Books.
Lua i Stíl Chicago (17ú heag.)Hobsbawm, Eric J. The Age of Extremes: A History of the World, 1914 - 1991. New York: Vintage Books, 1994.
Lua MLA (8ú heag.)Hobsbawm, Eric J. The Age of Extremes: A History of the World, 1914 - 1991. Vintage Books, 1994.
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