Lacson, N. E., & Kabiling, G. D. (2020). PH-Sabah border closed to stop entry of new COVID-19 variant. Manila Bulletin.
Chicago-viite (17. p.)Lacson, Nonoy E., ja Genalyn D. Kabiling. "PH-Sabah Border Closed to Stop Entry of New COVID-19 Variant." Manila Bulletin 2020.
MLA-viite (9. p.)Lacson, Nonoy E., ja Genalyn D. Kabiling. "PH-Sabah Border Closed to Stop Entry of New COVID-19 Variant." Manila Bulletin, 2020.
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