Sadongdong, M. A. (2021). Galvez vows to go after 'immoral' vaccine hoppers. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Sadongdong, Martin A. "Galvez Vows to Go After 'Immoral' Vaccine Hoppers." Manila Bulletin 2021.
Lua MLA (9ú heag.)Sadongdong, Martin A. "Galvez Vows to Go After 'Immoral' Vaccine Hoppers." Manila Bulletin, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.