Beaton, M. C., & Keith, P. (2011). As the pig turns (Unabridged.). Sound Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeaton, M. C., और Penelope Keith. As the Pig Turns. Unabridged. Ashland: Sound Library, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBeaton, M. C., और Penelope Keith. As the Pig Turns. Unabridged. Sound Library, 2011.
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