McElwain, J. (2019). Betrayal in time (First Pegasus Books edition.). Pegasus Crime.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcElwain, Julie. Betrayal in Time. First Pegasus Books edition. New York: Pegasus Crime, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcElwain, Julie. Betrayal in Time. First Pegasus Books edition. Pegasus Crime, 2019.
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