Simon, E. Common cause: A journal of one world. University of Chicago Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimon, Ernst. Common Cause: A Journal of One World. Chicago: University of Chicago Press.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSimon, Ernst. Common Cause: A Journal of One World. University of Chicago Press.
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