Cita APA (7th ed.)

WeberSystems Incorporati. IBM PC & XT user`s handbook. BPB.

Cita Chicago (17th ed.)

WeberSystems Incorporati. IBM PC & XT User`s Handbook. New Delhi: BPB.

Cita MLA (9th ed.)

WeberSystems Incorporati. IBM PC & XT User`s Handbook. BPB.

Atenció: Aquestes cites poden no estar 100% correctes.