APA aipamena

Sionil, F. C. (1999). NPC pays P6.4-B advance from NG. Manila Bulletin.

Chicago Style aipamena

Sionil, Fil C. "NPC Pays P6.4-B Advance from NG." Manila Bulletin 1999.

MLA aipamena

Sionil, Fil C. "NPC Pays P6.4-B Advance from NG." Manila Bulletin, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.