Magkilat, B. C. (2022). Russia still committed to manufacture vaccine in PH. Manila Bulletin.
Chicago-referens (17:e uppl.)Magkilat, Bernie Cahiles. "Russia Still Committed to Manufacture Vaccine in PH." Manila Bulletin 2022.
MLA-referens (9:e uppl.)Magkilat, Bernie Cahiles. "Russia Still Committed to Manufacture Vaccine in PH." Manila Bulletin, 2022.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.