Parker, R. B., & Lupica, M. (2025). Robert B. Parker's Showdown (Large print edition.). Thorndike Press Large Print, a part of Gale, a Cengage Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रParker, Robert B., और Mike Lupica. Robert B. Parker's Showdown. Large print edition. [Waterville, Maine]: Thorndike Press Large Print, a part of Gale, a Cengage Company, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रParker, Robert B., और Mike Lupica. Robert B. Parker's Showdown. Large print edition. Thorndike Press Large Print, a part of Gale, a Cengage Company, 2025.
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