Heller, N. B. (1978). Field evaluation of the hypercube system for the analysis of police patrol operations: Final report (repr.). National Technical Information Service.
Chicago-Zitierstil (17. Ausg.)Heller, Nelson B. Field Evaluation of the Hypercube System for the Analysis of Police Patrol Operations: Final Report. repr. Springfield, Va: National Technical Information Service, 1978.
MLA-Zitierstil (8. Ausg.)Heller, Nelson B. Field Evaluation of the Hypercube System for the Analysis of Police Patrol Operations: Final Report. repr. National Technical Information Service, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.