1. Best, A. M. (2008).Best’s Insurance Reports-Property/Casualty, A.M. Best Company, Inc., Ambest Road, Oldwick, New Jersey.
2. Carson, J. M. and Forster, M. D. (1996).Life Insurance Analysis-Policy and Company Performance, IONA Publishing Marina Del Rey, California.
3. Chan, L. K., Cheng, S. W. and Spiring, F. A. (1990). An alternative control chart.Technical Report, University of Manitoba.
4. Daykin, C. D., Pentikainen, T. and Pesonen, M. (1994).Practical Risk Theory for Actuaries.Chapman & Hall, London, England.
5. Montgomery, D. C. (2009).Introduction to Statistical Quality Control, 6thEdition. John Wiley and Sons, New York.