Manger, Jason J., author
McGraw-Hill, 1995
Buku Referensi
Gilster, Paul, author
John Wiley & Sons, 1995
Buku Teks
Cooke, Alison, author
Facet Publishing, 2006
Buku Teks
Cooke, Alison, author
Library Association Publishing, 1999
Buku Teks
Cricket Liu; Jerry Peek; Russ Jones; Bryan Buus; Adrian Nye
O'Reilly, 1994
Buku Teks