Ahuja, R. (2005). Research methods. Rawat.
Dyfyniad Arddull ChicagoAhuja, Ram. Research Methods. Jaipur: Rawat, 2005.
Dyfyniad MLAAhuja, Ram. Research Methods. Rawat, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Ahuja, R. (2005). Research methods. Rawat.
Dyfyniad Arddull ChicagoAhuja, Ram. Research Methods. Jaipur: Rawat, 2005.
Dyfyniad MLAAhuja, Ram. Research Methods. Rawat, 2005.