edited by Allen Kent
Marcel Dekker, 1983
Buku Referensi
Reitz, Joan M., author
Libraries Unlimited, 2004
Buku Referensi
Gallacher, Cathryn, author
Aslib, 1999
Buku Teks
Gallacher, Cathryn, author
Aslib , 1999
Buku Teks
edited by John Feather and Paul Sturges
Roudledge, 1997
Buku Referensi