Environmental Systems Information Center. (1994). A reference handbook for trainers on promotion of solid waste recycling and reuse in the developing countries of Asia. United Nations Centre for Human Settlements.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Environmental Systems Information Center. A Reference Handbook for Trainers on Promotion of Solid Waste Recycling and Reuse in the Developing Countries of Asia. Kenya: United Nations Centre for Human Settlements, 1994.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Environmental Systems Information Center. A Reference Handbook for Trainers on Promotion of Solid Waste Recycling and Reuse in the Developing Countries of Asia. United Nations Centre for Human Settlements, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.