Cita APA (7th ed.)

Rankin, K., & Hill, B. M. (2010). The official Ubuntu server book (2nd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Rankin, Kyle, i Benjamin Mako Hill. The Official Ubuntu Server Book. 2nd ed. Upper Saddle River, NJ: Prentice Hall, 2010.

Cita MLA (8th ed.)

Rankin, Kyle, i Benjamin Mako Hill. The Official Ubuntu Server Book. 2nd ed. Prentice Hall, 2010.