Killen, J. (2003). The Luftwaffe: A history. Pen & Sword Military Classics.
Lua i Stíl Chicago (17ú heag.)Killen, John. The Luftwaffe: A History. South Yorkshire, England: Pen & Sword Military Classics, 2003.
Lua MLA (9ú heag.)Killen, John. The Luftwaffe: A History. Pen & Sword Military Classics, 2003.
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