Gupta S P. Statistical Methods. S Chand.
Dyfyniad Arddull ChicagoGupta S P. Statistical Methods. New Delhi: S Chand.
Dyfyniad MLAGupta S P. Statistical Methods. S Chand.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Gupta S P. Statistical Methods. S Chand.
Dyfyniad Arddull ChicagoGupta S P. Statistical Methods. New Delhi: S Chand.
Dyfyniad MLAGupta S P. Statistical Methods. S Chand.