(2000). DENR tags 74 institutes for banned ozone substances. Manila Times.
Chicagoスタイル(17版)引用形式"DENR Tags 74 Institutes for Banned Ozone Substances." Manila Times 2000.
MLA(9版)引用形式"DENR Tags 74 Institutes for Banned Ozone Substances." Manila Times, 2000.
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