Goldsborough, R. (2018). The battered badge: A Nero Wolfe mystery. MysteriousPress.com, Open Road Integrated Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGoldsborough, Robert. The Battered Badge: A Nero Wolfe Mystery. New York: MysteriousPress.com, Open Road Integrated Media, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGoldsborough, Robert. The Battered Badge: A Nero Wolfe Mystery. MysteriousPress.com, Open Road Integrated Media, 2018.
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