Cita APA (7th ed.)

(2002). Universal command guide for operating systems / Guy Lotgering and the UCG Training Team.

Cita Chicago (17th ed.)

Universal Command Guide for Operating Systems / Guy Lotgering and the UCG Training Team. 2002.

Cita MLA (9th ed.)

Universal Command Guide for Operating Systems / Guy Lotgering and the UCG Training Team. 2002.

Atenció: Aquestes cites poden no estar 100% correctes.