Santos, R., & Romero, A. (2020). Duterte in perpetual isolation, denies trip to Singapore. Philippine Star.
芝加哥风格引文Santos, Rudy, 与 Alexis Romero. "Duterte in Perpetual Isolation, Denies Trip to Singapore." Philippine Star 2020.
MLA引文Santos, Rudy, 与 Alexis Romero. "Duterte in Perpetual Isolation, Denies Trip to Singapore." Philippine Star, 2020.
警告：这些引文格式不一定是100％准确.