Valencia, L. B. (2001). DOTC makes strides to develop major airports with safety requirements. Manila Bulletin.
Citace podle Chicago (17th ed.)Valencia, Lynda B. "DOTC Makes Strides to Develop Major Airports with Safety Requirements." Manila Bulletin 2001.
Citace podle MLA (9th ed.)Valencia, Lynda B. "DOTC Makes Strides to Develop Major Airports with Safety Requirements." Manila Bulletin, 2001.
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