O'Hara, M. (2021). Wolf Stockburn, railroad detective (Center Point Large Print edition.). Center Point Large Print.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Hara, Max. Wolf Stockburn, Railroad Detective. Center Point Large Print edition. Thorndike, Maine: Center Point Large Print, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Hara, Max. Wolf Stockburn, Railroad Detective. Center Point Large Print edition. Center Point Large Print, 2021.
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