Cita APA (7th ed.)

FRISCH AELEEN. (2011). ESSENTIAL SYSTEM ADMINISTRATION. SHROFF PUBL.

Cita Chicago (17th ed.)

FRISCH AELEEN. ESSENTIAL SYSTEM ADMINISTRATION. SHROFF PUBL: SHROFF PUBL, 2011.

Cita MLA (9th ed.)

FRISCH AELEEN. ESSENTIAL SYSTEM ADMINISTRATION. SHROFF PUBL, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.