Coles, M. (1984). Pasig River arrastre service now under PPA. Bulletin Today.
Chicago Style (17th ed.) CitationColes, Manuel. "Pasig River Arrastre Service Now Under PPA." Bulletin Today 1984.
MLA (9th ed.) CitationColes, Manuel. "Pasig River Arrastre Service Now Under PPA." Bulletin Today, 1984.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.