Dhita Wiradiputra
A Democrat Looks at his party/ Dean cheson
Harper & Brothers, 1955
 Buku Teks
Warmke, Roman F.
Marketing in action / Roman F. Warmke, G. Dean Palmer, C.A. Nolan
South-Western Publishing Co., 1976
 Buku Teks
Kirkham, George L.
Introduction to law enforcement
Harper & Row, 1980
 Buku Teks
Arpaio, Joe, 1932-
Joe's law: America's toughest sheriff takes on illegal immigration, drugs, and everything else that threatens America
American Management Association, 2008
 eBooks
Berg, Bruce Lawrence, 1954-
Law enforcement : an introduction to police in society
Allyn and Bacon, 1992
 Buku Teks