Shah, R. (2006). Mathematical & statistical techniques (13th ed.). Sheth.
Cita Chicago (17th ed.)Shah, R. Mathematical & Statistical Techniques. 13th ed. Mumbai: Sheth, 2006.
Cita MLA (9th ed.)Shah, R. Mathematical & Statistical Techniques. 13th ed. Sheth, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.