(1997). Preserving the country's water resources. IN Editorial [column]. Manila Bulletin.
Chicago Style (17th ed.) Citation"Preserving the Country's Water Resources. IN Editorial [column]." Manila Bulletin 1997.
MLA引文"Preserving the Country's Water Resources. IN Editorial [column]." Manila Bulletin, 1997.
警告：這些引文格式不一定是100％准確.