Gaya APA
Goldstein, Herman. (1990).
Problem oriented policing .
New York:
McGraw-Hill.
Gaya Chicago
Goldstein, Herman.
Problem oriented policing.
New York:
McGraw-Hill,
1990.
Text.
Gaya MLA
Goldstein, Herman.
Problem oriented policing.
New York:
McGraw-Hill,
1990.
Text.
Gaya Turabian
Goldstein, Herman.
Problem oriented policing.
New York:
McGraw-Hill,
1990.
Print.