Christie, A. (2020). The murder of Roger Ackroyd: A Hercule Poirot mystery (First William Morrow paperback edition.). William Morrow, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChristie, Agatha. The Murder of Roger Ackroyd: A Hercule Poirot Mystery. First William Morrow paperback edition. New York, NY: William Morrow, an imprint of HarperCollinsPublishers, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रChristie, Agatha. The Murder of Roger Ackroyd: A Hercule Poirot Mystery. First William Morrow paperback edition. William Morrow, an imprint of HarperCollinsPublishers, 2020.
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