Bradley, Phil
The advanced internet searcher's handbook
Lawrence Erlbaum Associates, 1999
 Buku Teks SO
Bradley, Phil
The Advanced internet searcher's handbook
Facet Publishing, 2004
 Buku Teks SO
Bradley, Phil
The advanced internet searcher's handbook / Phil Bradley
Library Association Publishing, 1999
 Buku Referensi
Olinsky, Sheryl
Dave sperling's internet guide
Prentice-Hall, 1998
 Buku Teks
Nelson, Stephen L.
Field guide to the internet
Elex Media Komputindo , 1996
 Buku Teks