Abel, J. (2017). Vector (Large print edition.). Thorndike Press, a part of Gale, a Cengage Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAbel, James. Vector. Large print edition. Waterville, Maine: Thorndike Press, a part of Gale, a Cengage Company, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAbel, James. Vector. Large print edition. Thorndike Press, a part of Gale, a Cengage Company, 2017.
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