Walker, Geraldene
Online retrieval: a dialogue of theory and practice
Libraries Unlimited, 1993
 Buku Teks SO
Chowdhury, G.G.
Searching CD-ROM and online information sources
Library Association, 2001
 Buku Teks
Hartley, R.J.
Online searching: principles and practice
Bowker-Saur, 1990
 Buku Teks
Ridley, Damon D.
Online searching a scientist's perspective : a guide for the chemical and life sciences
John Wiley & Sons, 1996
 Buku Teks
Online searching in science and technology: an introductory guide to equipment, databases and search techniques
written by the Staff of the Science and Technology Information Service
British Library , 1991
 Buku Teks SO