Rivera, D. (2019). Oil companies set to hike prices this week. Philippine Star.
Chicago-referens (17:e uppl.)Rivera, Danessa. "Oil Companies Set to Hike Prices This Week." Philippine Star 2019.
MLA-referens (9:e uppl.)Rivera, Danessa. "Oil Companies Set to Hike Prices This Week." Philippine Star, 2019.
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