Broad, L. (1958). Winston Churchill: The years of preparation ; a biography / by Lewis Broad. Hawthorn.
Lua i Stíl Chicago (17ú heag.)Broad, Lewis. Winston Churchill: The Years of Preparation ; a Biography / by Lewis Broad. New York: Hawthorn, 1958.
Lua MLA (8ú heag.)Broad, Lewis. Winston Churchill: The Years of Preparation ; a Biography / by Lewis Broad. Hawthorn, 1958.
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