Weingand, D. E. (1997). Customer service excellence: A concise guide for librarians. Chicago: American Library Association.
Chicago Stili AlıntıWeingand, Darlene E. Customer Service Excellence: A Concise Guide for Librarians. Chicago: American Library Association, 1997.
MLA AlıntıWeingand, Darlene E. Customer Service Excellence: A Concise Guide for Librarians. Chicago: American Library Association, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..