Rivera, D. New oil, gas field discovered off Southern Cebu. The Philippine Star.
芝加哥风格引文Rivera, Danessa. "New Oil, Gas Field Discovered off Southern Cebu." The Philippine Star .
MLA引文Rivera, Danessa. "New Oil, Gas Field Discovered off Southern Cebu." The Philippine Star, .
警告：这些引文格式不一定是100％准确.