Clair, Guy St., author
Bowker, 1996
Buku Teks
Bryson, Jo, author
Gower , 1990
Buku Teks
Bryson, Jo, author
Ashgate, 1999
Buku Teks
Mckay, Duncan, author
The Association for Information Management, 1995
Buku Teks
Mckay, Duncan, author
Aslib , 1995
Buku Teks