Simpson, R. (2017). The Police Officer Perception Project (POPP): An experimental evaluation of factors that impact perceptions of the police. Journal of experimental criminology, 13(3), 393-415. doi:10.1007/s11292-017-9292-4
Chicago-Zitierstil (17. Ausg.)Simpson, Rylan. "The Police Officer Perception Project (POPP): An Experimental Evaluation of Factors That Impact Perceptions of the Police." Journal of Experimental Criminology 13, no. 3 (2017): 393-415. https://doi.org/10.1007/s11292-017-9292-4.
MLA-Zitierstil (9. Ausg.)Simpson, Rylan. "The Police Officer Perception Project (POPP): An Experimental Evaluation of Factors That Impact Perceptions of the Police." Journal of Experimental Criminology, vol. 13, no. 3, 2017, pp. 393-415, https://doi.org/10.1007/s11292-017-9292-4.