Panneerselvam, R. (2004). Research methodology (Eastern economy edition.). Prentice Hall.
Dyfyniad Arddull ChicagoPanneerselvam, R. Research Methodology. Eastern economy edition. New Delhi: Prentice Hall, 2004.
Dyfyniad MLAPanneerselvam, R. Research Methodology. Eastern economy edition. Prentice Hall, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.