Purnell, S. (2022). Agent most wanted: The never-before-told story of the most dangerous spy of World War II. Viking.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPurnell, Sonia. Agent Most Wanted: The Never-before-told Story of the Most Dangerous Spy of World War II. New York: Viking, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPurnell, Sonia. Agent Most Wanted: The Never-before-told Story of the Most Dangerous Spy of World War II. Viking, 2022.
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