Sadongdong, M. A., & De Vera, A. (2021). Jab for A4, A5 sectors approved: Prioritize poll workers in vaccination program, Comelec official urges. Manila Bulletin.
Chicago-referens (17:e uppl.)Sadongdong, Martin A., och Analou De Vera. "Jab for A4, A5 Sectors Approved: Prioritize Poll Workers in Vaccination Program, Comelec Official Urges." Manila Bulletin 2021.
MLA-referens (9:e uppl.)Sadongdong, Martin A., och Analou De Vera. "Jab for A4, A5 Sectors Approved: Prioritize Poll Workers in Vaccination Program, Comelec Official Urges." Manila Bulletin, 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.