County of Los Angeles Public Library FYI, University of Illinois at Urbana-Champaign Information Researchers, Associstion of College and Research Libraries Fee-based Information Service Centers in Academic Libraries, Coffman, S., Kehoe, C. A., & Wiedensohler, P. (1998). The internet-plus directory of express library services: Research and document delivery for hire. American Library Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)County of Los Angeles Public Library FYI, University of Illinois at Urbana-Champaign Information Researchers, Associstion of College and Research Libraries Fee-based Information Service Centers in Academic Libraries, Steve Coffman, Cynthia Ann Kehoe, και Pat Wiedensohler. The Internet-plus Directory of Express Library Services: Research and Document Delivery for Hire. Chicago: American Library Association, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)County of Los Angeles Public Library FYI, et al. The Internet-plus Directory of Express Library Services: Research and Document Delivery for Hire. American Library Association, 1998.