Ramsay, F. (2009). Choker (1st large print ed.). Poisoned Pen Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRamsay, Frederick. Choker. 1st large print ed. Scottsdale, Ariz.: Poisoned Pen Press, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRamsay, Frederick. Choker. 1st large print ed. Poisoned Pen Press, 2009.
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