Παραπομπή APA

Stallman, R. M., & Riyaz usman [ed.]. (2004). Free software free society. Alter Media.

Παραπομπή Chicago Style

Stallman, Richard M., και Riyaz usman [ed.]. Free Software Free Society. Thrissur: Alter Media, 2004.

Παραπομπή MLA

Stallman, Richard M., και Riyaz usman [ed.]. Free Software Free Society. Alter Media, 2004.