DHV Consulting Engineers & United Nations. Economic and Social Commission for Asia and the Pacific. (1979). Guidelines for rural centre planning. United Nations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)DHV Consulting Engineers و United Nations. Economic and Social Commission for Asia and the Pacific. Guidelines for Rural Centre Planning. New York: United Nations, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)DHV Consulting Engineers و United Nations. Economic and Social Commission for Asia and the Pacific. Guidelines for Rural Centre Planning. United Nations, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.