Singh, R. (1977). Mathematical and statistical techniques (1st.). Sadhana Prakashan.
Dyfyniad Arddull ChicagoSingh, R. Mathematical and Statistical Techniques. 1st. Bombay: Sadhana Prakashan, 1977.
Dyfyniad MLASingh, R. Mathematical and Statistical Techniques. 1st. Sadhana Prakashan, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.