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Modern Information retrieval
Addison-Wesley , 1999
 Buku Teks
Expert systems in libraries: proceedings of conference of the Library Association Information Technology Group and the Library and Information Research Group, November 1985
edited by Forbes Gibb
Taylor Graham , 1986
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Information systems compatibility
edited by Simon M. Newman
Spartan , 1965
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Williams, William F.
Principles of automated information retrieval
Business Press, 1968
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Lancaster, F. Wilfrid
Information retrieval systems
John Wiley & Sons, 1979
 Buku Teks