Waldie, E. (2002). Triumph of the challenged: Conversations with especially able people. Purple Field Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWaldie, Elspeth. Triumph of the Challenged: Conversations with Especially Able People. Ilminster: Purple Field Press, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWaldie, Elspeth. Triumph of the Challenged: Conversations with Especially Able People. Purple Field Press, 2002.
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