Bell, S. S. (2012). Librarian's guide to online searching (Third edition.). Libraries Unlimited.
Cita Chicago (17th ed.)Bell, Suzanne S. Librarian's Guide to Online Searching. Third edition. Santa Barbara, California: Libraries Unlimited, 2012.
Cita MLA (9th ed.)Bell, Suzanne S. Librarian's Guide to Online Searching. Third edition. Libraries Unlimited, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.