Coles, M. (1984). Pasig River arrastre service now under PPA. Bulletin Today.
Lua i Stíl Chicago (17ú heag.)Coles, Manuel. "Pasig River Arrastre Service Now Under PPA." Bulletin Today 1984.
Lua MLA (9ú heag.)Coles, Manuel. "Pasig River Arrastre Service Now Under PPA." Bulletin Today, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.