Valente, . C. . S. (2021). Palace: Covid-19 alert level system to cover entire PH starting Nov 22. Manila Times.
Cita Chicago (17th ed.)Valente, Catherine S. "Palace: Covid-19 Alert Level System to Cover Entire PH Starting Nov 22." Manila Times 2021.
Cita MLA (9th ed.)Valente, Catherine S. "Palace: Covid-19 Alert Level System to Cover Entire PH Starting Nov 22." Manila Times, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.