Casinas, J. A. (2021). Enforce 10-day quarantine for arriving international travelers-health expert. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCasinas, Jhon Aldrin. "Enforce 10-day Quarantine for Arriving International Travelers-health Expert." Manila Bulletin 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCasinas, Jhon Aldrin. "Enforce 10-day Quarantine for Arriving International Travelers-health Expert." Manila Bulletin, 2021.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.