Perez, D. (1999). Economy stays on recovery track. Manila Bulletin.
Chicago Style aipamenaPerez, Delfin. "Economy Stays on Recovery Track." Manila Bulletin 1999.
MLA aipamenaPerez, Delfin. "Economy Stays on Recovery Track." Manila Bulletin, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.