(2000). DENR tags 74 institutes for banned ozone substances. Manila Times.
Chicago Style (17th ed.) Citation"DENR Tags 74 Institutes for Banned Ozone Substances." Manila Times 2000.
MLA引文"DENR Tags 74 Institutes for Banned Ozone Substances." Manila Times, 2000.
警告：這些引文格式不一定是100％准確.