De Guzman, R. (1998). Air Philippines told to fly 9 PAL aircraft. Manila Bulletin.
Cita Chicago (17th ed.)De Guzman, Ronnie. "Air Philippines Told to Fly 9 PAL Aircraft." Manila Bulletin 1998.
Cita MLA (9th ed.)De Guzman, Ronnie. "Air Philippines Told to Fly 9 PAL Aircraft." Manila Bulletin, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.