Macairan, E., & Villanueva, R. (2018). World Environment Day: Let's stop plastic pollution. Philippine Star.
芝加哥风格引文Macairan, Evelyn, 与 Rhodina Villanueva. "World Environment Day: Let's Stop Plastic Pollution." Philippine Star 2018.
MLA引文Macairan, Evelyn, 与 Rhodina Villanueva. "World Environment Day: Let's Stop Plastic Pollution." Philippine Star, 2018.
警告：这些引文格式不一定是100％准确.