Regalado, E. (2018). Davao City visitor arrivals breach 2M in 2017. IN Travel & Tourism [column]. Philippine Star.
芝加哥风格引文Regalado, Edith. "Davao City Visitor Arrivals Breach 2M in 2017. IN Travel & Tourism [column]." Philippine Star 2018.
MLA引文Regalado, Edith. "Davao City Visitor Arrivals Breach 2M in 2017. IN Travel & Tourism [column]." Philippine Star, 2018.
警告：这些引文格式不一定是100％准确.