KOTHARI, C. (1978). Quantitative techniques. Vikas Pub..
Cita Chicago (17th ed.)KOTHARI, C.R. Quantitative Techniques. New Delhi: Vikas Pub., 1978.
Cita MLA (9th ed.)KOTHARI, C.R. Quantitative Techniques. Vikas Pub., 1978.
Atenció: Aquestes cites poden no estar 100% correctes.