Knickerbocker, H. R. (1934). Will war come in Europe? John Lane.
Lua i Stíl Chicago (17ú heag.)Knickerbocker, H. R. Will War Come in Europe? London: John Lane, 1934.
Lua MLA (8ú heag.)Knickerbocker, H. R. Will War Come in Europe? John Lane, 1934.
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