Jazul, N. A. (2020). Two US firms offer COVID vaccines to PH: FDA cautions public against unregistered vaccines. Manila Bulletin.
Chicago Style (17. basım) AtıfJazul, Noreen A. "Two US Firms Offer COVID Vaccines to PH: FDA Cautions Public Against Unregistered Vaccines." Manila Bulletin 2020.
MLA (9th ed.) AtıfJazul, Noreen A. "Two US Firms Offer COVID Vaccines to PH: FDA Cautions Public Against Unregistered Vaccines." Manila Bulletin, 2020.
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