De Guzman, R. (1998). Air Philippines told to fly 9 PAL aircraft. Manila Bulletin.
Citación estilo ChicagoDe Guzman, Ronnie. "Air Philippines Told to Fly 9 PAL Aircraft." Manila Bulletin 1998.
Cita MLADe Guzman, Ronnie. "Air Philippines Told to Fly 9 PAL Aircraft." Manila Bulletin, 1998.
Warning: These citations may not always be 100% accurate.