Chavez, C. A. (2021). Why the vaccination target was not reached. Manila Bulletin.
Chicago-referens (17:e uppl.)Chavez, Chito A. "Why the Vaccination Target Was Not Reached." Manila Bulletin 2021.
MLA-referens (9:e uppl.)Chavez, Chito A. "Why the Vaccination Target Was Not Reached." Manila Bulletin, 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.