Valencia, L. B. (2001). DOTC makes strides to develop major airports with safety requirements. Manila Bulletin.
Chicago (17e ed.) BronvermeldingValencia, Lynda B. "DOTC Makes Strides to Develop Major Airports with Safety Requirements." Manila Bulletin 2001.
MLA (9e ed.) BronvermeldingValencia, Lynda B. "DOTC Makes Strides to Develop Major Airports with Safety Requirements." Manila Bulletin, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.