Contemporary issues in law enforcement and policing
Andrew Millie, Dilip K. Das, editor
CRC Press, Taylor & Francis Group, 2008
 Buku Teks
Peyton, Daniel
Sex and race discrimination law
Blackstone Press limited, 1997
 Buku Teks
Policing matters : working in policing
Ian K. Pepper, editor
Learning Matters, 2011
 Buku Teks
Sandell, E.B.
Colorimetric determination of traces of metals
Interscience, 1959
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Lundman, Richard J.
Police and policing
Holty,Rinchart and Winston, 1980
 Buku Teks