APA (7 वां संस्करण) प्रशस्ति पत्र

Sadongdong, M. A. (2021). 1 M Coronavac jabs arrive; China to donate more vaccines to PH. Manila Bulletin.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Sadongdong, Martin A. "1 M Coronavac Jabs Arrive; China to Donate More Vaccines to PH." Manila Bulletin 2021.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Sadongdong, Martin A. "1 M Coronavac Jabs Arrive; China to Donate More Vaccines to PH." Manila Bulletin, 2021.