Hilton, S. E. (1981). Hitler's secret war in South America, 1939-1945: German military espionage and Allied counterespionage in Brazil. Louisiana State University Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Hilton, Stanley E. Hitler's Secret War in South America, 1939-1945: German Military Espionage and Allied Counterespionage in Brazil. Baton Rouge: Louisiana State University Press, 1981.
MLA -ийн эшлэл (9 дэх хэвлэлт)Hilton, Stanley E. Hitler's Secret War in South America, 1939-1945: German Military Espionage and Allied Counterespionage in Brazil. Louisiana State University Press, 1981.
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