Dearen, P. (2023). Perseverance. Wheeler Publishing, a part of Gale, a Cengage Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDearen, Patrick. Perseverance. Waterville, Maine: Wheeler Publishing, a part of Gale, a Cengage Company, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDearen, Patrick. Perseverance. Wheeler Publishing, a part of Gale, a Cengage Company, 2023.
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