Blancaflor, M. (2020). EO bans vaping in public, restricts sale of e-cigarettes. IN Cover [column]. Manila Standard.
Chicago-referens (17:e uppl.)Blancaflor, MJ. "EO Bans Vaping in Public, Restricts Sale of E-cigarettes. IN Cover [column]." Manila Standard 2020.
MLA-referens (9:e uppl.)Blancaflor, MJ. "EO Bans Vaping in Public, Restricts Sale of E-cigarettes. IN Cover [column]." Manila Standard, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.