(2021). Vaccine mandate. IN Editorial [column]: Consider more incentives than disincentives. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Vaccine Mandate. IN Editorial [column]: Consider More Incentives than Disincentives." Manila Bulletin 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Vaccine Mandate. IN Editorial [column]: Consider More Incentives than Disincentives." Manila Bulletin, 2021.
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