Weingand, D. E. (1997). Customer service excellence: A concise guide for librarians. American Library Association.
Chicago Style (17. basım) AtıfWeingand, Darlene E. Customer Service Excellence: A Concise Guide for Librarians. Chicago: American Library Association, 1997.
MLA (9th ed.) AtıfWeingand, Darlene E. Customer Service Excellence: A Concise Guide for Librarians. American Library Association, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..