APA aipamena

Sionil, F. C. (2002). GSIS quarter profits up from P15.31B to P21.75B. Manila Bulletin.

Chicago Style aipamena

Sionil, Fil C. "GSIS Quarter Profits Up from P15.31B to P21.75B." Manila Bulletin 2002.

MLA aipamena

Sionil, Fil C. "GSIS Quarter Profits Up from P15.31B to P21.75B." Manila Bulletin, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.