Wilkinson, Frances C., author
Libraries Unlimited, 2015
Buku Teks
Intner, Sheila S., author
Libraries Unlimited, 1993
Buku Teks
Wilkinson, Frances C., author
Libraries Unlimited, 2003
Buku Teks
McMenemy, David, author
Facet, 2009
Buku Teks
Brophy, Peter, author
Facet, 2005
Buku Teks