Harris, D. (1976). Basic elements of intelligence: A manual for police department intellegence units (rev. ed.). Office of Regional Operations.
Chicago-Zitierstil (17. Ausg.)Harris, Donald. Basic Elements of Intelligence: A Manual for Police Department Intellegence Units. rev. ed. Washington, D.C: Office of Regional Operations, 1976.
MLA-Zitierstil (8. Ausg.)Harris, Donald. Basic Elements of Intelligence: A Manual for Police Department Intellegence Units. rev. ed. Office of Regional Operations, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.