Casinas, J. A. (2021). Enforce 10-day quarantine for arriving international travelers-health expert. Manila Bulletin.
Čikaški stil citiranja (17. izdanje)Casinas, Jhon Aldrin. "Enforce 10-day Quarantine for Arriving International Travelers-health Expert." Manila Bulletin 2021.
MLA način citiranja (9. izdanje)Casinas, Jhon Aldrin. "Enforce 10-day Quarantine for Arriving International Travelers-health Expert." Manila Bulletin, 2021.
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