Saracevic, T., & Kantor, P. B. (1997). Studying the Value of Library and Information Services. Part I: Establishing a Theoretical Framework.
Citazione stile Chigago Style (17a edizione)Saracevic, Tefko, e Paul B. Kantor. Studying the Value of Library and Information Services. Part I: Establishing a Theoretical Framework. 1997.
Citatione MLA (9a ed.)Saracevic, Tefko, e Paul B. Kantor. Studying the Value of Library and Information Services. Part I: Establishing a Theoretical Framework. 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.