Poulter, Alan, author
Facet Publishing , 2005
Buku Teks
Poulter, Alan, author
Library Association Publishing, 2000
Buku Referensi
Poulter, Alan, author
Library Association, 1999
Buku Teks
edited by Lewis-Guodo Liu
Greenwood Press, 2001
Buku Teks
Griffiths, Peter, author
Facet, 2004
Buku Teks