(1997). Safeguarding the coastal environment. IN Editorial [column]. Manila Bulletin.
Chicago Style (17th ed.) Citation"Safeguarding the Coastal Environment. IN Editorial [column]." Manila Bulletin 1997.
MLA引文"Safeguarding the Coastal Environment. IN Editorial [column]." Manila Bulletin, 1997.
警告：這些引文格式不一定是100％准確.