Zweizig, D. (1982). Output measures for public libraries: A manual of standardized procedures. American Library Association.
Citazione stile Chigago Style (17a edizione)Zweizig, Douglas. Output Measures for Public Libraries: A Manual of Standardized Procedures. Chicago: American Library Association, 1982.
Citatione MLA (9a ed.)Zweizig, Douglas. Output Measures for Public Libraries: A Manual of Standardized Procedures. American Library Association, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.