United Nations Industrial Development Organization. (1988). Guidelines for industrial planning in developing countries: Basic principles and practices. United Nations Industrial Development Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations Industrial Development Organization. Guidelines for Industrial Planning in Developing Countries: Basic Principles and Practices. Vienna: United Nations Industrial Development Organization, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United Nations Industrial Development Organization. Guidelines for Industrial Planning in Developing Countries: Basic Principles and Practices. United Nations Industrial Development Organization, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.