Bocca, G. (1958). The adventurous life of Winston Churchill: By Geoffrey Bocca. Messner.
Lua i Stíl Chicago (17ú heag.)Bocca, Geoffrey. The Adventurous Life of Winston Churchill: By Geoffrey Bocca. New York: Messner, 1958.
Lua MLA (8ú heag.)Bocca, Geoffrey. The Adventurous Life of Winston Churchill: By Geoffrey Bocca. Messner, 1958.
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