Rosen, R. D. (2019). Tough luck: Sid Luckman, Murder, Inc., and the rise of the modern NFL (First Grove Atlantic hardcover edition.). Atlantic Monthly Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRosen, Richard Dean. Tough Luck: Sid Luckman, Murder, Inc., and the Rise of the Modern NFL. First Grove Atlantic hardcover edition. New York: Atlantic Monthly Press, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRosen, Richard Dean. Tough Luck: Sid Luckman, Murder, Inc., and the Rise of the Modern NFL. First Grove Atlantic hardcover edition. Atlantic Monthly Press, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.