Mastrofski, S. D., Terrill, W., Snipes, J. B., DeJong, C., Worden, R. E., Reiss, A. J., & Parks, R. B. (1998). Systematic Observation of Public Police: Applying Field Research Methods to Policy Issues. United States Department of Justice, National Institute of Justice.
Cita Chicago Style (17a ed.)Mastrofski, Stephen D., William Terrill, Jeffrey B. Snipes, Christina DeJong, Robert E. Worden, Albert J. Reiss, y Roger B. Parks. Systematic Observation of Public Police: Applying Field Research Methods to Policy Issues. United States Department of Justice, National Institute of Justice, 1998.
Cita MLA (9a ed.)Mastrofski, Stephen D., et al. Systematic Observation of Public Police: Applying Field Research Methods to Policy Issues. United States Department of Justice, National Institute of Justice, 1998.