Avi & Keith, R. (2002). The cross of lead (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAvi और Ron Keith. The Cross of Lead. Unabridged. Prince Frederick: Recorded Books Inc., 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAvi और Ron Keith. The Cross of Lead. Unabridged. Recorded Books Inc., 2002.
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