Lawson, V. (2006). Mary Poppins she wrote: The life of P.L. Travers (1st Simon & Schuster ed.). Simon & Schuster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLawson, Valerie. Mary Poppins She Wrote: The Life of P.L. Travers. 1st Simon & Schuster ed. New York: Simon & Schuster, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLawson, Valerie. Mary Poppins She Wrote: The Life of P.L. Travers. 1st Simon & Schuster ed. Simon & Schuster, 2006.
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