Jeffers, H. P. (1994). Commissioner Roosevelt: The story of Theodore Roosevelt and the New York City police, 1895-1897. J. Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJeffers, H. Paul. Commissioner Roosevelt: The Story of Theodore Roosevelt and the New York City Police, 1895-1897. New York: J. Wiley & Sons, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJeffers, H. Paul. Commissioner Roosevelt: The Story of Theodore Roosevelt and the New York City Police, 1895-1897. J. Wiley & Sons, 1994.
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