Popovich, C. J. (1978). Business Data Bases: The Policies and Practices of Indexing.
Citazione stile Chigago Style (17a edizione)Popovich, Charles J. Business Data Bases: The Policies and Practices of Indexing. 1978.
Citatione MLA (9a ed.)Popovich, Charles J. Business Data Bases: The Policies and Practices of Indexing. 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.