(2021). High-income nations have begun vaccinations. IN Editorial [column]. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"High-income Nations Have Begun Vaccinations. IN Editorial [column]." Manila Bulletin 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"High-income Nations Have Begun Vaccinations. IN Editorial [column]." Manila Bulletin, 2021.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.