Gaya APA
Sullivan, John L. (1971).
Introduction to police science (2nd.ed).
New York:
McGraw-Hill.
Gaya Chicago
Sullivan, John L.
Introduction to police science.
2nd.ed
New York:
McGraw-Hill,
1971.
Text.
Gaya MLA
Sullivan, John L.
Introduction to police science.
2nd.ed
New York:
McGraw-Hill,
1971.
Text.
Gaya Turabian
Sullivan, John L.
Introduction to police science.
2nd.ed
New York:
McGraw-Hill,
1971.
Print.