Kenneth E. Dowlin, The Electronic Library (New York: Neal-Schuman, 1984), 13. 

Allan D. Pratt, The Information of the Image (Norwood, NJ: Ablex Publishing, 1982), 16-17. 

Marshall McLuhan, Understanding Media: The Extensions of Man (New York: McGraw-Hill, 1964), 23.

Darlene E. Weingand, Connections: Literacy and Cultural Heritage (Metuchen, NJ: Scarecrow Press, 1992). 

Warren K. Agee, Phillip H. Ault, y Edwin Emery, Introduction to Mass Communications , ed. aniversario de plata. (New York: Harper & Row, 1985), 14. 

Richard De Gennaro, Libraries, Technology, and the Information Marketplace (Boston: G.K. Hall, 1987), 4. 

David C. Genaway, "Planning for an IOLS", en Libraries in the Age of Automation: A Reader for the Professional Librarian (White Plains, NY: Knowledge Industries Publications, 1986), 139, 153.