Kirkham, George L.
Introduction to law enforcement
Harper & Row, 1980
 Buku Teks
Coffey, Alan R.
Juvenile justice as a system Law enforcement to rehabilitation
Prentice-Hall, 1974
 Buku Teks
Nadhira Hesty Utami
Pelaksanaan Pemungutan Pajak Penghasilan dan Penegakan Hukum Terhadap Pengusaha Kecil = Implementation of Income Tax Collection and Law Enforcement on Small Entrepreneurs
Fakultas Hukum Universitas Indonesia, 2022
 UI - Tesis Membership
Berg, Bruce Lawrence, 1954-
Law enforcement : an introduction to police in society
Allyn and Bacon, 1992
 Buku Teks
Coffey, Alan R.
Law enforcement : a human relations approsch
Prentice-Hall, 1990
 Buku Teks