Scalzi, J. (2018). Head on (Large print edition.). Thorndike Press, a part of Gale, a Cengage Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रScalzi, John. Head on. Large print edition. Waterville, Maine: Thorndike Press, a part of Gale, a Cengage Company, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रScalzi, John. Head on. Large print edition. Thorndike Press, a part of Gale, a Cengage Company, 2018.
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