(2000). DENR tags 74 institutes for banned ozone substances. Manila Times.
Dyfyniad Arddull Chicago"DENR Tags 74 Institutes for Banned Ozone Substances." Manila Times 2000.
Dyfyniad MLA"DENR Tags 74 Institutes for Banned Ozone Substances." Manila Times, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.