The Internet in Public Life
By Verna V. Gehring, Published by Rowman & Littlefield, 2004, ISBN 0742542343, 136 pages, Chapter 3: Do Hackers Provide a Public Service, Page 47 (View cited page using Google Books)
Software Piracy Exposed: How Software is Stolen and Traded Over the Internet - By Paul Craig, Ron Honick, Mark Burnett, Published by Syngress, 2005, ISBN 1932266984, Chapter 4 - Crackers, Pages 88-90 (View cited pages using Google Books)
