(2007). SBMA adopts Filipino invention for oil recovery to protect marine area. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)"SBMA Adopts Filipino Invention for Oil Recovery to Protect Marine Area." Manila Bulletin 2007.
Lua MLA (9ú heag.)"SBMA Adopts Filipino Invention for Oil Recovery to Protect Marine Area." Manila Bulletin, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.