Berkenkotter. Diagnosing Madness. University of South Carolina Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerkenkotter. Diagnosing Madness. University of South Carolina Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBerkenkotter. Diagnosing Madness. University of South Carolina Press.
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