Isip, I. (2016). 4M more seats to PH flights. Malaya Business Insight.
Chicago Style (17. basım) AtıfIsip, Irma. "4M More Seats to PH Flights." Malaya Business Insight 2016.
MLA (9th ed.) AtıfIsip, Irma. "4M More Seats to PH Flights." Malaya Business Insight, 2016.
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