Littlejohn, D. (1972). The Patriotic traitors: A history of collaboration in German-occupied Europe, 1940-45. Heinemann.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLittlejohn, David. The Patriotic Traitors: A History of Collaboration in German-occupied Europe, 1940-45. Heinemann, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLittlejohn, David. The Patriotic Traitors: A History of Collaboration in German-occupied Europe, 1940-45. Heinemann, 1972.
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