Trautman, N. E. (1990). A study of law enforcement: A comprehensive study of the world's greatest, yet most difficult, profession. Thomas.
Chicago-Zitierstil (17. Ausg.)Trautman, Neal E. A Study of Law Enforcement: A Comprehensive Study of the World's Greatest, yet Most Difficult, Profession. Springfield, Ill: Thomas, 1990.
MLA-Zitierstil (9. Ausg.)Trautman, Neal E. A Study of Law Enforcement: A Comprehensive Study of the World's Greatest, yet Most Difficult, Profession. Thomas, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.