Obert, B. (1988). Collection Development through Student Surveys and Collection Analysis.
Citazione stile Chigago Style (17a edizione)Obert, Beverly. Collection Development Through Student Surveys and Collection Analysis. 1988.
Citatione MLA (9a ed.)Obert, Beverly. Collection Development Through Student Surveys and Collection Analysis. 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.