Farquhar, M. (2015). Bad days in history: A gleefully grim chronicle of misfortune, mayhem, and misery for every day of the year.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFarquhar, Michael. Bad Days in History: A Gleefully Grim Chronicle of Misfortune, Mayhem, and Misery for Every Day of the Year. 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFarquhar, Michael. Bad Days in History: A Gleefully Grim Chronicle of Misfortune, Mayhem, and Misery for Every Day of the Year. 2015.
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