International Register of Potentially Toxic Chemicals (United Nations). (1985). Treatment and disposal methods for waste chemicals: IRPTC file. International Register of Potentially Toxic Chemicals, United Nations Environment Programme.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Register of Potentially Toxic Chemicals (United Nations). Treatment and Disposal Methods for Waste Chemicals: IRPTC File. Geneva, Switzerland: International Register of Potentially Toxic Chemicals, United Nations Environment Programme, 1985.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Register of Potentially Toxic Chemicals (United Nations). Treatment and Disposal Methods for Waste Chemicals: IRPTC File. International Register of Potentially Toxic Chemicals, United Nations Environment Programme, 1985.