Gaya APA

Ortmeier, P, J., Davis, J, J. (2012). Police Administration : A Leadership Approach (Cet.1). New York: McGraw-Hill.

Gaya MLA

Ortmeier, P., J.., Davis, Joseph, J.. "Police Administration : A Leadership Approach". Cet.1 New York: McGraw-Hill, 2012. Text.