Rivera, D. (2019). Oil industry sees first hike for 2019 this week. Philippine Star.
Chicago-viite (17. p.)Rivera, Danessa. "Oil Industry Sees First Hike for 2019 This Week." Philippine Star 2019.
MLA-viite (9. p.)Rivera, Danessa. "Oil Industry Sees First Hike for 2019 This Week." Philippine Star, 2019.
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