(1972). Symposium of Editors of Documentation, Library and Archives Journals.
Citazione stile Chigago Style (17a edizione)Symposium of Editors of Documentation, Library and Archives Journals. 1972.
Citatione MLA (9a ed.)Symposium of Editors of Documentation, Library and Archives Journals. 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.