Gonzalez, B. C. (2003). First Quadrants first year: 800% over forecast. Philippine Star.
Chicago Style aipamenaGonzalez, Barbara C. "First Quadrants First Year: 800% over Forecast." Philippine Star 2003.
MLA aipamenaGonzalez, Barbara C. "First Quadrants First Year: 800% over Forecast." Philippine Star, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.