APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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