APA (7e ed.) Bronvermelding

De Vera, A., & Quismorio, E. A. (2021). COVID-19 booster interval shortened; Concepcion hails move. Manila Bulletin.

Chicago (17e ed.) Bronvermelding

De Vera, Analou, en Ellson A. Quismorio. "COVID-19 Booster Interval Shortened; Concepcion Hails Move." Manila Bulletin 2021.

MLA (9e ed.) Bronvermelding

De Vera, Analou, en Ellson A. Quismorio. "COVID-19 Booster Interval Shortened; Concepcion Hails Move." Manila Bulletin, 2021.