APA aipamena

Valencia, L. B. (2001). DOTC makes strides to develop major airports with safety requirements. Manila Bulletin.

Chicago Style aipamena

Valencia, Lynda B. "DOTC Makes Strides to Develop Major Airports with Safety Requirements." Manila Bulletin 2001.

MLA aipamena

Valencia, Lynda B. "DOTC Makes Strides to Develop Major Airports with Safety Requirements." Manila Bulletin, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.