Trehub, A. (1999). Creating Fee-Based Online Services: A New Role for Academic Librarians.
Citazione stile Chigago Style (17a edizione)Trehub, Aaron. Creating Fee-Based Online Services: A New Role for Academic Librarians. 1999.
Citatione MLA (9a ed.)Trehub, Aaron. Creating Fee-Based Online Services: A New Role for Academic Librarians. 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.