Romero, A., Crisostomo, S., Cabrera, R., & Tupas, E. (2021). NCR under second highest COVID alert. Philippine Star.
Chicagoスタイル(17版)引用形式Romero, Alexis, Sheila Crisostomo, Romina Cabrera, , Emmanuel Tupas. "NCR Under Second Highest COVID Alert." Philippine Star 2021.
MLA(9版)引用形式Romero, Alexis, et al. "NCR Under Second Highest COVID Alert." Philippine Star, 2021.
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