Sayson, I. C. (2001). Travel industry resorting to big discounts to stay alive. Manila Times.
Chicago-viite (17. p.)Sayson, Ian C. "Travel Industry Resorting to Big Discounts to Stay Alive." Manila Times 2001.
MLA-viite (9. p.)Sayson, Ian C. "Travel Industry Resorting to Big Discounts to Stay Alive." Manila Times, 2001.
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