| Intellectual Property and Open Source A Practical Guide to Protecting Code Van Lindberg 0-596-51796-3 | |
| Open Source: Technology and Policy Fadi P. Deek, James A.M. McHugh 0-521-70741-2 | |
| Open Sources 2.0 The Continuing Evolution Edited by Chris DiBona, Danese Cooper, Mark Stone 0-596-00802-3 | |