Cita APA (7th ed.)

Collings, T., & Wall, K. Red Hat Linux networking and system administration (2nd.).

Cita Chicago (17th ed.)

Collings, Terry, i Kur Wall. Red Hat Linux Networking and System Administration. 2nd. Indianapolis, IN : Wiley Pub.,c2004.

Cita MLA (9th ed.)

Collings, Terry, i Kur Wall. Red Hat Linux Networking and System Administration. 2nd.