(1997). Philippine Civil Aviation: Is it prepared for the 21st century. Manila Bulletin.
Style de citation Chicago (17e éd.)"Philippine Civil Aviation: Is It Prepared for the 21st Century." Manila Bulletin 1997.
Style de citation MLA (9e éd.)"Philippine Civil Aviation: Is It Prepared for the 21st Century." Manila Bulletin, 1997.
Attention : ces citations peuvent ne pas être correctes à 100%.