Eco, U., Dixon, R., & Guidall, G. (2011). The Prague cemetery. Recorded Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEco, Umberto, Richard Dixon, और George Guidall. The Prague Cemetery. Prince Frederick, MD: Recorded Books, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEco, Umberto, et al. The Prague Cemetery. Recorded Books, 2011.
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