APA aipamena

Velasco, M. M. Udenna commits to extract P30-B Malampaya gas for PNOC. Manila Bulletin.

Chicago Style aipamena

Velasco, Myrna M. "Udenna Commits to Extract P30-B Malampaya Gas for PNOC." Manila Bulletin .

MLA aipamena

Velasco, Myrna M. "Udenna Commits to Extract P30-B Malampaya Gas for PNOC." Manila Bulletin, .

Kontuz: berrikusi erreferentzia hauek erabili aurretik.