De Vera, A. (2022). 2nd Covid booster shot for aged 50 and older, adults with comorbidities OK'd. Manila Bulletin.
Chicago-referens (17:e uppl.)De Vera, Analou. "2nd Covid Booster Shot for Aged 50 and Older, Adults with Comorbidities OK'd." Manila Bulletin 2022.
MLA-referens (9:e uppl.)De Vera, Analou. "2nd Covid Booster Shot for Aged 50 and Older, Adults with Comorbidities OK'd." Manila Bulletin, 2022.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.