Tulsian, P. C. (2012). Quantitative techniques. Pearson.
Cita Chicago (17th ed.)Tulsian, P. C. Quantitative Techniques. New Delhi: Pearson, 2012.
Cita MLA (9th ed.)Tulsian, P. C. Quantitative Techniques. Pearson, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.