Smart, Huw
Blackstone's police Q and A : road policing 2006
Oxford University Press, 2006
 Buku Referensi
Wilson, O. W. (Orlando Winfield), 1900-1972
Police administration
McGraw-Hill, 1950
 Buku Teks
Wilson, O. W. (Orlando Winfield), 1900-1972
Police planning
Charles C Thomas Publisher, 1962
 Buku Teks
Ashenhust, Paul H.
Police and the people
Charles C. Thomas, 1965
 Buku Teks
Policing matters : working in policing
Ian K. Pepper, editor
Learning Matters, 2011
 Buku Teks