Konrad, H., & Maderthaner, W. (2013). Routes into abyss: Coping with the crises in the 1930s. Berghahn Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKonrad, Helmut, और Wolfgang Maderthaner. Routes into Abyss: Coping with the Crises in the 1930s. New York: Berghahn Books, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKonrad, Helmut, और Wolfgang Maderthaner. Routes into Abyss: Coping with the Crises in the 1930s. Berghahn Books, 2013.
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