Lethen, H. (2002). Cool conduct: The culture of distance in Weimar Germany. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLethen, Helmut. Cool Conduct: The Culture of Distance in Weimar Germany. Berkeley: University of California Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLethen, Helmut. Cool Conduct: The Culture of Distance in Weimar Germany. University of California Press, 2002.
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