1. Gero, D., 1993. Aviation Disasters, Patrick Stephens Ltd.
2. Hovland, C.I. et al., 1951. The influence of resource credibility on communication effectiveness, Public Opinion Quarterly, 15, pp.635-650
3. Perry, J.B. et al., 1978. Collective behavior: Response to social stress, St. Paul: West Publishing Co.
4. Janis, I.L., 1972. Victims of group think, Boston: Houghton Miffin
5. Stoner, J.A.F., 1961. A comparison of individual and group decisions including risk, Unpublished master’s thesis, School of Industrial Management, MIT