McPhail, D. (1993). Pigs aplenty, pigs galore! Dutton Children's Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcPhail, David. Pigs Aplenty, Pigs Galore! New York: Dutton Children's Books, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcPhail, David. Pigs Aplenty, Pigs Galore! Dutton Children's Books, 1993.
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