Tulfo, E. T. (2020). Barangay officials directly liable for ECQ violations. IN Opinion [column]. Manila Standard.
Chicago-referens (17:e uppl.)Tulfo, Erwin T. "Barangay Officials Directly Liable for ECQ Violations. IN Opinion [column]." Manila Standard 2020.
MLA-referens (9:e uppl.)Tulfo, Erwin T. "Barangay Officials Directly Liable for ECQ Violations. IN Opinion [column]." Manila Standard, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.