APA (7. basım) Alıntı

Velasco, M. M. PNOC-EC changing tack on oil importation plan. IN Business News. Manila Bulletin.

Chicago Style (17. basım) Atıf

Velasco, Myrna M. "PNOC-EC Changing Tack on Oil Importation Plan. IN Business News." Manila Bulletin .

MLA (9th ed.) Atıf

Velasco, Myrna M. "PNOC-EC Changing Tack on Oil Importation Plan. IN Business News." Manila Bulletin, .