United Nations Centre for Regional Development & Mathur, O. P. (1981). Training for regional development planning: Perspectives for the third development decade. Maruzen Asia for and on behalf of the United Nations Centre for Regional Development, Nagoya, Japan.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations Centre for Regional Development و Om Prakash Mathur. Training for Regional Development Planning: Perspectives for the Third Development Decade. Singapore: Maruzen Asia for and on behalf of the United Nations Centre for Regional Development, Nagoya, Japan, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations Centre for Regional Development و Om Prakash Mathur. Training for Regional Development Planning: Perspectives for the Third Development Decade. Maruzen Asia for and on behalf of the United Nations Centre for Regional Development, Nagoya, Japan, 1981.