Cita APA (7th ed.)
Hira D.S. (2001). System Simulation (1st ede.). S.Chand & Company Ltd.
Cita Chicago (17th ed.)
Hira D.S. System Simulation. 1st ede. New Delhi: S.Chand & Company Ltd, 2001.
Cita MLA (9th ed.)
Hira D.S. System Simulation. 1st ede. S.Chand & Company Ltd, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.