Whitaker, C. S. (1990). Pile-Up at the Reference Desk: Teaching Users to Use CD-ROMs.
Citazione stile Chigago Style (17a edizione)Whitaker, Cathy Seitz. Pile-Up at the Reference Desk: Teaching Users to Use CD-ROMs. 1990.
Citatione MLA (9a ed.)Whitaker, Cathy Seitz. Pile-Up at the Reference Desk: Teaching Users to Use CD-ROMs. 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.