Jeffers, H. P. (1994). Commissioner Roosevelt: The story of Theodore Roosevelt and the New York City police, 1895-1897. J. Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Jeffers, H. Paul. Commissioner Roosevelt: The Story of Theodore Roosevelt and the New York City Police, 1895-1897. New York: J. Wiley & Sons, 1994.
Lua MLA (8ú heag.)Jeffers, H. Paul. Commissioner Roosevelt: The Story of Theodore Roosevelt and the New York City Police, 1895-1897. J. Wiley & Sons, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.