Hufbauer, G. C., & Schott, J. J. (1992). North Amerikan free trade: Issues and recommendations. Washington: Institute For International Economics.
استشهاد بنمط شيكاغوHufbauer, Gary Clyde, and Jeffrey J. Schott. North Amerikan Free Trade: Issues and Recommendations. Washington: Institute For International Economics, 1992.
MLA استشهادHufbauer, Gary Clyde, and Jeffrey J. Schott. North Amerikan Free Trade: Issues and Recommendations. Washington: Institute For International Economics, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.