Hart, C. G. (2010). Laughed 'til he died: A death on demand mystery. William Morrow.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHart, Carolyn G. Laughed 'Til He Died: A Death on Demand Mystery. New York: William Morrow, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHart, Carolyn G. Laughed 'Til He Died: A Death on Demand Mystery. William Morrow, 2010.
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