McCrumb, S., & Stewart, I. (1993). Paying the piper: Elizabeth macpherson series, book 4 (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcCrumb, Sharyn, और Ian Stewart. Paying the Piper: Elizabeth Macpherson Series, Book 4. Unabridged. Prince Frederick: Recorded Books Inc., 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcCrumb, Sharyn, और Ian Stewart. Paying the Piper: Elizabeth Macpherson Series, Book 4. Unabridged. Recorded Books Inc., 1993.
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