Keet, Ernest E.
Preventing pirary : a business guide to software protection
Addison-Wesley, 1984
 Buku Teks
Harris, Thorne D.
The legal guide to computer software protection: a practical handbook on copyrights, trademarks, publishing, and trade secrets
Prentice-Hall, 1984
 Buku Teks
Ronan, Jana Smith
Chat reference: a guide to live virtual reference services
Libraries Unlimited, 2003
 Buku Teks
Bernacchi, Richard L.
Data processing contracts and the law
Brown and Company, 1974
 Buku Teks
Farnsworth, E. Allan
Cases and materials on contracts / by E. Allan Farnsworth, William F. Young
University casebook series, 1995
 Buku Teks