APA-referens (7:e uppl.)

Sadongdong, M. A. (2021). Ready for COVID-19 booster? Vaccine recipients now allowed to choose brand for third dose. Manila Bulletin.

Chicago-referens (17:e uppl.)

Sadongdong, Martin A. "Ready for COVID-19 Booster? Vaccine Recipients Now Allowed to Choose Brand for Third Dose." Manila Bulletin 2021.

MLA-referens (9:e uppl.)

Sadongdong, Martin A. "Ready for COVID-19 Booster? Vaccine Recipients Now Allowed to Choose Brand for Third Dose." Manila Bulletin, 2021.