Economic Commission for Europe. (1976). Long-term prospects and policies in the construction sector. New York: United Nations.
استشهاد بنمط شيكاغوEconomic Commission for Europe. Long-term Prospects and Policies in the Construction Sector. New York: United Nations, 1976.
MLA استشهادEconomic Commission for Europe. Long-term Prospects and Policies in the Construction Sector. New York: United Nations, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.