Barnes, W. R., & Ledebur, L. C. (1998). The new regional economics: The U.S. common market and the global economy. London: Sage Publications.
استشهاد بنمط شيكاغوBarnes, William R., and Larry C. Ledebur. The New Regional Economics: The U.S. Common Market and the Global Economy. London: Sage Publications, 1998.
MLA استشهادBarnes, William R., and Larry C. Ledebur. The New Regional Economics: The U.S. Common Market and the Global Economy. London: Sage Publications, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.