Brightwell, E. (2021). Mrs. Jeffries and the midwinter murders (First edition.). Berkley Prime Crime.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrightwell, Emily. Mrs. Jeffries and the Midwinter Murders. First edition. New York: Berkley Prime Crime, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrightwell, Emily. Mrs. Jeffries and the Midwinter Murders. First edition. Berkley Prime Crime, 2021.
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