Ferguson, Elizabeth, author
Library Professional Publications , 1984
Buku Teks
edited by Rae A. Earnshaw, John Vince
Springer, 2008
Buku Teks
J. Whitaker & Sons, 1989
Buku Referensi
Library Association Publishing, 1997
Buku Teks
Dahl, Mark, author
Chandos Publishing, 2006
Buku Teks