Weingand, Darlene E.
Libraries Unlimited, 1999
Buku Teks
Corrall, Sheila
Aslib, 1994
Buku Teks
Editor by Charles R. McClure
The Haworth Press, 1982
Buku Teks
Mckay, Duncan
The Association for Information Management, 1995
Buku Teks
Mckay, Duncan
Aslib , 1995
Buku Teks