APA (7 वां संस्करण) प्रशस्ति पत्र

Casinas, J. A. (2021). Metro Manila's daily COVID-19 vaccination hits 231,000 jabs. Manila Bulletin.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Casinas, Jhon Aldrin. "Metro Manila's Daily COVID-19 Vaccination Hits 231,000 Jabs." Manila Bulletin 2021.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Casinas, Jhon Aldrin. "Metro Manila's Daily COVID-19 Vaccination Hits 231,000 Jabs." Manila Bulletin, 2021.