Wolman, Yecheskel
Chemical information : A practical guide to utilization
John Wiley & Sons, 1983
 Buku Teks SO
Yerbury, Hilary
Career exploration : a practical guide for information and communication professionals
University of Technology, 1992
 Buku Referensi
Brown, Adrian
Archiving websites : a practical guide for information management professionals
Facet Publishing, 2006
 Buku Teks SO
Parker, Christopher Charles
Information soucrces in science and technology: a practical guide to traditional and online use
Butterworths, 1986
 Buku Teks
Guide for practical economic information on Korea Ministry of finance and economy
[Publisher not identified], [Date of publication not identified]
 Buku Teks