Ball, B. (2002). Red Hat Linux 7.2: Unleashed. Sams Publishing.
Chicago Style (17th ed.) ZitazioaBall, Bill. Red Hat Linux 7.2: Unleashed. New Delhi: Sams Publishing, 2002.
MLA (9th ed.) ZitazioaBall, Bill. Red Hat Linux 7.2: Unleashed. Sams Publishing, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.