Sayson, I. C. (2001). Travel industry resorting to big discounts to stay alive. Manila Times.
Chicago (17e ed.) BronvermeldingSayson, Ian C. "Travel Industry Resorting to Big Discounts to Stay Alive." Manila Times 2001.
MLA (9e ed.) BronvermeldingSayson, Ian C. "Travel Industry Resorting to Big Discounts to Stay Alive." Manila Times, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.