Dowd, S. (2008). The London Eye mystery (First Yearling edition.). Yearling.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDowd, Siobhan. The London Eye Mystery. First Yearling edition. New York: Yearling, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDowd, Siobhan. The London Eye Mystery. First Yearling edition. Yearling, 2008.
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