Chen, S. (2006). Free/open source software licensing. UNDP-Asia-Pacific Development Information Programme.
Cita Chicago (17th ed.)Chen, Shun-ling. Free/open Source Software Licensing. [Bangkok]: UNDP-Asia-Pacific Development Information Programme, 2006.
Cita MLA (9th ed.)Chen, Shun-ling. Free/open Source Software Licensing. UNDP-Asia-Pacific Development Information Programme, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.