Duncan, E. J. (2011). A killer's Christmas in Wales: A Penny Brannigan mystery. Minotaur Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDuncan, Elizabeth J. A Killer's Christmas in Wales: A Penny Brannigan Mystery. New York: Minotaur Books, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDuncan, Elizabeth J. A Killer's Christmas in Wales: A Penny Brannigan Mystery. Minotaur Books, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.