Chesterton, G. K. (1914). The barbarism of Berlin. Cassell.
Lua i Stíl Chicago (17ú heag.)Chesterton, G. K. The Barbarism of Berlin. London, New York: Cassell, 1914.
Lua MLA (8ú heag.)Chesterton, G. K. The Barbarism of Berlin. Cassell, 1914.
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