United Nations Industrial Development Organization, International Association for Clean Technology, .Maltezou, S. P., .Biswas, A. K., & Sutter, H. (1989). Hazardous waste management: Selected papers from an international expert workshop convened by UNIDO in Vienna, 22-26 June 1987. Tycooly.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations Industrial Development Organization, International Association for Clean Technology, Sonia P. .Maltezou, Asit K. .Biswas, و Hans Sutter. Hazardous Waste Management: Selected Papers from an International Expert Workshop Convened by UNIDO in Vienna, 22-26 June 1987. London ; New York: Tycooly, 1989.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations Industrial Development Organization, et al. Hazardous Waste Management: Selected Papers from an International Expert Workshop Convened by UNIDO in Vienna, 22-26 June 1987. Tycooly, 1989.