Boyd, B. (2020). Extravagant: Discovering a life of dangerous generosity (First Howard Books/Atria Books hardcover edition.). Howard Books/Atria Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBoyd, Brady. Extravagant: Discovering a Life of Dangerous Generosity. First Howard Books/Atria Books hardcover edition. New York, NY: Howard Books/Atria Books, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBoyd, Brady. Extravagant: Discovering a Life of Dangerous Generosity. First Howard Books/Atria Books hardcover edition. Howard Books/Atria Books, 2020.
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