Wilkinson, Frances C., author
Libraries Unlimited, 2015
Buku Teks
Wilkinson, Frances C., author
Libraries Unlimited, 2003
Buku Teks
Sadgrove, Kit, author
Routledge, 2015
eBooks
Davidson, Jeff, author
Prenada, 2010
Buku Teks
edited by Pamela S. Cenzer; Cynthia I. Gozzi
The Hawork Press , 1991
Buku Teks