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
Flynn, Roger R., author
M. Dekker, 1987
Buku Teks
Yan, Bin, author
University of Posts and Telecommunications Press, 2014
Buku Teks
Kalakota, Ravi, author
Addison-Wesley, 2001
Buku Teks