Παραπομπή σε μορφή APA (7η εκδ.)

Calayag, K. (2020). Duterte wants all Filipinos vaccinated against Covid-19. Manila Times.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Calayag, Keith. "Duterte Wants All Filipinos Vaccinated Against Covid-19." Manila Times 2020.

Παραπομπή σε μορφή MLA (9th εκδ.)

Calayag, Keith. "Duterte Wants All Filipinos Vaccinated Against Covid-19." Manila Times, 2020.