Sadongdong, M. A. (2021). 5 Black Hawks for PH. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Sadongdong, Martin A. "5 Black Hawks for PH." Manila Bulletin 2021.
Lua MLA (9ú heag.)Sadongdong, Martin A. "5 Black Hawks for PH." Manila Bulletin, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.