(1968). Consultants Workshop, New England State Library Extension Agencies, September 7 - 9, 1967.
Citazione stile Chigago Style (17a edizione)Consultants Workshop, New England State Library Extension Agencies, September 7 - 9, 1967. 1968.
Citatione MLA (9a ed.)Consultants Workshop, New England State Library Extension Agencies, September 7 - 9, 1967. 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.