APA (7 वां संस्करण) प्रशस्ति पत्र
Epstein, C. (2003). The last revolutionaries: German communists and their century. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Epstein, Catherine. The Last Revolutionaries: German Communists and Their Century. Cambridge, MA: Harvard University Press, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Epstein, Catherine. The Last Revolutionaries: German Communists and Their Century. Harvard University Press, 2003.
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