Chapman, Liz, author
Facet Publishing, 2004
Buku Teks
Gallacher, Cathryn, author
Aslib , 1999
Buku Teks
Chapman, Liz, author
Library Association Publishing, 2001
Buku Teks
edited by Charles B. Inlander, Alan M. Rees
Oryx, 1991
Buku Teks
Griffiths, Peter, author
Facet, 2004
Buku Teks