APA引文

Tulfo, R. . T. (2021). Vaccine arrival delayed — why? Manila Times.

芝加哥风格引文

Tulfo, Ramon T. "Vaccine Arrival Delayed — Why?" Manila Times 2021.

MLA引文

Tulfo, Ramon T. "Vaccine Arrival Delayed — Why?" Manila Times, 2021.

警告：这些引文格式不一定是100％准确.