Zweizig, D. (1996). The Tell it! manual: The complete program for evaluating library performance. American Library Association.
Chicago-referens (17:e uppl.)Zweizig, Douglas. The Tell It! Manual: The Complete Program for Evaluating Library Performance. Chicago: American Library Association, 1996.
MLA-referens (9:e uppl.)Zweizig, Douglas. The Tell It! Manual: The Complete Program for Evaluating Library Performance. American Library Association, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.