(2001). Immediate enforcement of law banning surfactants use urged. Manila Bulletin.
Chicago Style (17. basım) Atıf"Immediate Enforcement of Law Banning Surfactants Use Urged." Manila Bulletin 2001.
MLA (9th ed.) Atıf"Immediate Enforcement of Law Banning Surfactants Use Urged." Manila Bulletin, 2001.
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