Casinas, J. A. (2021). DICT may start issuing COVID-19 vaccine certificates by early August. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Casinas, Jhon Aldrin. "DICT May Start Issuing COVID-19 Vaccine Certificates by Early August." Manila Bulletin 2021.
Citatione MLA (9a ed.)Casinas, Jhon Aldrin. "DICT May Start Issuing COVID-19 Vaccine Certificates by Early August." Manila Bulletin, 2021.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.