Lua APA (7ú heag.)

Romero, A., Crisostomo, S., Cabrera, R., & Tupas, E. (2021). NCR under second highest COVID alert. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Romero, Alexis, Sheila Crisostomo, Romina Cabrera, agus Emmanuel Tupas. "NCR Under Second Highest COVID Alert." Philippine Star 2021.

Lua MLA (9ú heag.)

Romero, Alexis, et al. "NCR Under Second Highest COVID Alert." Philippine Star, 2021.

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