Servallos, N. J., Jaymalin, M., & Punay, E. (2021). SEA vaccination roll out: Phl ranks 4th. Philippine Star.
Cita Chicago (17th ed.)Servallos, Neil Jayson, Mayen Jaymalin, i Eduardo Punay. "SEA Vaccination Roll Out: Phl Ranks 4th." Philippine Star 2021.
Cita MLA (9th ed.)Servallos, Neil Jayson, et al. "SEA Vaccination Roll Out: Phl Ranks 4th." Philippine Star, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.