Perpustakaan Nasional RI, 2015
Multimedia
Pantry, Sheila, author
Facet Publishing, 2005
Buku Teks
Mckay, Duncan, author
Aslib , 1995
Buku Teks
Totterdell, Anne, author
Facet, 2005
Buku Teks
Reitz, Joan M., author
Libraries Unlimited, 2004
Buku Referensi