Rosales, E. F., Desiderio, L., Macairan, E., & Santos, R. (2021). Concepcion endorses vaccine pass to spur domestic tourism. Philippine Star.
Chicago-viite (17. p.)Rosales, Elijah Felice, Louella Desiderio, Evelyn Macairan, ja Rudy Santos. "Concepcion Endorses Vaccine Pass to Spur Domestic Tourism." Philippine Star 2021.
MLA-viite (9. p.)Rosales, Elijah Felice, et al. "Concepcion Endorses Vaccine Pass to Spur Domestic Tourism." Philippine Star, 2021.
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