Sharma J.K. (2010). Operation Research. Macmillian.
Cita Chicago (17th ed.)Sharma J.K. Operation Research. New Delhi: Macmillian, 2010.
Cita MLA (9th ed.)Sharma J.K. Operation Research. Macmillian, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.