Norman, O. G. (1989). Marketing Library and Information Services: An Annotated Guide to Recent Trends and Developments.
Citazione stile Chigago Style (17a edizione)Norman, O. Gene. Marketing Library and Information Services: An Annotated Guide to Recent Trends and Developments. 1989.
Citatione MLA (9a ed.)Norman, O. Gene. Marketing Library and Information Services: An Annotated Guide to Recent Trends and Developments. 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.