1. Amendola, K. L., Weisburd, D., Hamilton, E., Jones, G., Slipka, M., Heitmann, A., Shane, J., Ortiz, C., & Tarkghen, E. (2011). The shift length experiment: What we know about 8-, 10-, and 12-hour shifts in policing. Police Foundation.
2. Ayoob, M. (2011). 25 years after the FBI firefight: The late-emerging. American Handgunner. https://americanhandgunner.com/the-ayoob-files/25-years-after-the-fbi-firefight-the-late-emerging/
3. Colwell, J. L., & Huth, C. (2010). Unleashing the power of unconditional respect: Transforming law enforcement and police training. Routledge.
4. Dawson, D., & Reid, K. J. (1997). Fatigue, alcohol and performance impairment. Nature, 388, 235–237.
5. Gallup. (2020, June). Gallup poll news survey, QN2K: Confidence in the police.