6Ronan W W, Gary P L. The Reliability and Validity of the Critical Incident Technique: A Closer Look [J]. Studies in Personnel Psychology, 1974,6(1) :53--64.
7Susan M K. Customer switching behavior in service industries: An exploratory study [J]. Journal of Marketing, 1995,59(2) : 71-- 82.
8Mary J B, Bernard H B, Mary S T. The Service Encounter: Diagnosing Favorable and Unfavorable Incidents [J]. Journal of Marketing,1990,54(1):71--84.
