McBcBurney, D. (2001). Research methods (5th ed.). Thomson Asia.
Dyfyniad Arddull ChicagoMcBcBurney, Donald. Research Methods. 5th ed. Bangalore: Thomson Asia, 2001.
Dyfyniad MLAMcBcBurney, Donald. Research Methods. 5th ed. Thomson Asia, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.