Owen, A. (1992). Current Issues and Patterns in State Standards for Public Library Service.
Citazione stile Chigago Style (17a edizione)Owen, Amy. Current Issues and Patterns in State Standards for Public Library Service. 1992.
Citatione MLA (9a ed.)Owen, Amy. Current Issues and Patterns in State Standards for Public Library Service. 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.