Gaya APA
WALKER, S., KATZ, C, M. (2005).
Police in America an Introduction / WALKER, Samuel , KATZ, Charles M (Ed.5).
America:
McGrawe-Hill.
Gaya MLA
WALKER, Samuel., KATZ, Charles, M.
"Police in America an Introduction / WALKER, Samuel , KATZ, Charles M".
Ed.5
America:
McGrawe-Hill,
2005.
Text.