Casayuran, M. B. (2021). QC solon seeks issuance of 'e-vaccine cards' for fully vaccinated Filipinos. Manila Bulletin.
Chicago-referens (17:e uppl.)Casayuran, Mario B. "QC Solon Seeks Issuance of 'E-vaccine Cards' for Fully Vaccinated Filipinos." Manila Bulletin 2021.
MLA-referens (9:e uppl.)Casayuran, Mario B. "QC Solon Seeks Issuance of 'E-vaccine Cards' for Fully Vaccinated Filipinos." Manila Bulletin, 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.