Johnson, H. Wayne, author
F.E. Peacoock Publishers, 1986
Buku Teks
Bopp, Richard E., author
Libraries Unlimited, 2001
Buku Teks
Cassell, Kay Ann, author
Neal-Schuman, an imprint of the American Library Association, 2013
Buku Teks
McClam, Tricia, author
Thomson Brooks/Cole, 2005
Buku Teks
Elizabeth Connor, editor
Routledge, 2008
Buku Teks