Ortega, Jose Luis
Academic search engines : a quantitative outlook
Chandos, 2014
 eBooks
Croft, W. Bruce
Search engines: information retrieval in practice
Pearson, 2010
 Buku Teks
Berry, Michael W.
Understanding search engines: mathematical modeling and text retrieval
Society for Industrial and Applied Mathematics, 2005
 eBooks
Information access through search engines and digital libraries
edited by Maristella Agosti, W. Bruce Croft
Springer, 2008
 Buku Teks
Alfred
Visual quickstart guide : Search Engine for the World Wide Web
Peachpit press, 1999
 Buku Teks