Gatdula, D. (2001). Big oil firms bent on 90 cents price hike. Kabayan.
Dyfyniad Arddull ChicagoGatdula, Donabelle. "Big Oil Firms Bent on 90 Cents Price Hike." Kabayan 2001.
Dyfyniad MLAGatdula, Donabelle. "Big Oil Firms Bent on 90 Cents Price Hike." Kabayan, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.