Rivera, D., & Romero, P. (2019). 2019 's biggest oil price hike tomorrow. Philippine Star.
芝加哥风格引文Rivera, Danessa, 与 Paolo Romero. "2019 'S Biggest Oil Price Hike Tomorrow." Philippine Star 2019.
MLA引文Rivera, Danessa, 与 Paolo Romero. "2019 'S Biggest Oil Price Hike Tomorrow." Philippine Star, 2019.
警告：这些引文格式不一定是100％准确.