1. S. HRG, 106-847, Medical Mistakes, Joint Hearing before the Subcommittee on Labor Health and Human Services, 2001.
2. Federal Aviation Administration Advisory Circular AC 00-666E - Aviation Safety Reporting Program, December 16, 2011.
3. Federal Aviation Administration Advisory Circular AC 120-66B - Aviation Safety Action Program (ASAP), November 15, 2002.
4. Model Penal Code, 2.02 general requirements of culpability;American Law Institute,1962
5. Sentinel event alert issue 40: behaviors that undermine a culture of safety;Joint Commission,2008