8Nitecki D A. Changing the concept and measure of service quality in academic libraries[ J]. The Journal of Academic Librarianship, 1996 ( 5 ) : 181 - 190.
9Zeithaml V A, Parasuraman A, Berry L L. Delivering quality service: Balancing customer perceptions and espectations [ M ]. New York : Free Press, 1990:16.
10Brekke E. User surveys in ARL libraries [ A ]// SPEC Kit 205. Washington DC : Association of Research Libraries, 1997:7.