RAYUDU C S. (2005). PRINCIPLES OF PUBLIC RELATIONS. HIMALAYA PUBLISHING HOUSE.
Dyfyniad Arddull ChicagoRAYUDU C S. PRINCIPLES OF PUBLIC RELATIONS. MUMBAI: HIMALAYA PUBLISHING HOUSE, 2005.
Dyfyniad MLARAYUDU C S. PRINCIPLES OF PUBLIC RELATIONS. HIMALAYA PUBLISHING HOUSE, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.