Crisostomo, S., & Villanueva, R. (2022). Health workers stage black heart protest. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Crisostomo, Sheila, agus Rhodina Villanueva. "Health Workers Stage Black Heart Protest." Philippine Star 2022.
Lua MLA (9ú heag.)Crisostomo, Sheila, agus Rhodina Villanueva. "Health Workers Stage Black Heart Protest." Philippine Star, 2022.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.