Cassidy, C. (2020). Who ate the first oyster?: The extraordinary people behind the greatest firsts in history. Penguin Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCassidy, Cody. Who Ate the First Oyster?: The Extraordinary People Behind the Greatest Firsts in History. [New York, New York]: Penguin Books, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCassidy, Cody. Who Ate the First Oyster?: The Extraordinary People Behind the Greatest Firsts in History. Penguin Books, 2020.
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