Mayhew, M. (2016). Bitter poison: A village mystery (First world edition.). Severn House Publishers LTD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMayhew, Margaret. Bitter Poison: A Village Mystery. First world edition. Surrey, England: Severn House Publishers LTD, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMayhew, Margaret. Bitter Poison: A Village Mystery. First world edition. Severn House Publishers LTD, 2016.
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