Bradley, Phil, author
Lawrence Erlbaum Associates, 1999
Buku Teks
Bradley, Phil, author
Facet Publishing, 2004
Buku Teks
Hock, Randolph, author
Cyber Age Books, 2004
Buku Teks
Bradley, Phil, author
Library Association Publishing, 1999
Buku Referensi
Bradley, Phil, author
Library Association, 2002
Buku Teks