Cita APA (7th ed.)

Frisch, A. (2006). Essential System Administration. O'REILLY.

Cita Chicago (17th ed.)

Frisch, Aeleen. Essential System Administration. New Delhi: O'REILLY, 2006.

Cita MLA (9th ed.)

Frisch, Aeleen. Essential System Administration. O'REILLY, 2006.