APA引文

Jazul, N. A. (2020). Two US firms offer COVID vaccines to PH: FDA cautions public against unregistered vaccines. Manila Bulletin.

芝加哥风格引文

Jazul, Noreen A. "Two US Firms Offer COVID Vaccines to PH: FDA Cautions Public Against Unregistered Vaccines." Manila Bulletin 2020.

MLA引文

Jazul, Noreen A. "Two US Firms Offer COVID Vaccines to PH: FDA Cautions Public Against Unregistered Vaccines." Manila Bulletin, 2020.

警告：这些引文格式不一定是100％准确.