NAndagopal, R. (2007). Research methods in business. Excel.
Dyfyniad Arddull ChicagoNAndagopal, R. Research Methods in Business. New Delhi: Excel, 2007.
Dyfyniad MLANAndagopal, R. Research Methods in Business. Excel, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.