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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerridge, Virginia. "AIDS, Drugs, and History: Virginia Berridge." Drugs and Narcotics in History.(1996) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रBerridge, Virginia. "AIDS, Drugs, and History: Virginia Berridge." Drugs and Narcotics in History.(1996), .
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