Hannah, S. (2019). How to hold a grudge: From resentment to contentment : the power of grudges to transform your life (First Scribner hardcover edition.). Scribner.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHannah, Sophie. How to Hold a Grudge: From Resentment to Contentment : The Power of Grudges to Transform Your Life. First Scribner hardcover edition. New York: Scribner, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHannah, Sophie. How to Hold a Grudge: From Resentment to Contentment : The Power of Grudges to Transform Your Life. First Scribner hardcover edition. Scribner, 2019.
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