Cita APA (7th ed.)

Crowley, C. (2019). Operating system. McGrawHill Education, Chennai.

Cita Chicago (17th ed.)

Crowley, Charles. Operating System. McGrawHill Education, Chennai, 2019.

Cita MLA (9th ed.)

Crowley, Charles. Operating System. McGrawHill Education, Chennai, 2019.

Atenció: Aquestes cites poden no estar 100% correctes.