Cita APA (7a ed.)

Needle, J. A. (1981). Police performance and productivity measurement system. National Inst. of Justice.

Cita Chicago Style (17a ed.)

Needle, Jerome A. Police Performance and Productivity Measurement System. [S.l.]: National Inst. of Justice, 1981.

Cita MLA (8a ed.)

Needle, Jerome A. Police Performance and Productivity Measurement System. National Inst. of Justice, 1981.