Joll, J. (1984). Europe since 1870: An international history (third edition.). Suffolk: Penguin Books.
Lua i Stíl Chicago (17ú heag.)Joll, James. Europe Since 1870: An International History. third edition. Suffolk: Penguin Books, 1984.
Lua MLA (8ú heag.)Joll, James. Europe Since 1870: An International History. third edition. Suffolk: Penguin Books, 1984.
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