1. A. Holmes, Risk Management, Capstone Publishing, Oxford, 2002.
2. R. Kendall, Risk management for executives: A practical approach to controlling business risks, Pitman Publishing, London, 1998.
3. D. M. Byrd, C.R. Cothern, Introduction to Risk Analysis: A Systematic Approach to Science-Based Decision Making, ABS Consulting, 2000.
4. D. Vose, Risk analysis: a quantitative guide, John Wiley & Sons, Chicester, 2000.
5. G. Trickey, Risk Types, OP Matters, No. 14, The British Psychological Society, 2012.