Grimes, Sharon, author
[American Library association, American Library association], 2006
eBooks
Chowdhury, G.G., author
Facet, 2004
Buku Teks
Doll, Carol A., author
[American Library association, ], 2002
eBooks
Thompson, James, author
Clive Bingley , 1982
Buku Teks
Norman, Sandy, author
Library Association Publishing, 1996
Buku Referensi