Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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