Penny, L. (2012). The beautiful mystery (Large print edition.). Thorndike Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPenny, Louise. The Beautiful Mystery. Large print edition. Waterville, Me.: Thorndike Press, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPenny, Louise. The Beautiful Mystery. Large print edition. Thorndike Press, 2012.
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