APA-ийн эшлэл(7 дахь хэвлэлт)

Perry, W. L. (2013). Predictive policing: The role of crime forecasting in law enforcement operations. RAND Corporation.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Perry, Walt L. Predictive Policing: The Role of Crime Forecasting in Law Enforcement Operations. Santa Monica: RAND Corporation, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Perry, Walt L. Predictive Policing: The Role of Crime Forecasting in Law Enforcement Operations. RAND Corporation, 2013.