Bernhardt. The Importance of Being Earnest. Purdue University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBernhardt. The Importance of Being Earnest. Purdue University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBernhardt. The Importance of Being Earnest. Purdue University Press.
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