Gatdula, D. (2001). Big oil firms bent on 90 cents price hike. Kabayan.
Chicago Style (17th ed.) CitationGatdula, Donabelle. "Big Oil Firms Bent on 90 Cents Price Hike." Kabayan 2001.
MLA引文Gatdula, Donabelle. "Big Oil Firms Bent on 90 Cents Price Hike." Kabayan, 2001.
警告:這些引文格式不一定是100%准確.