(1972). Foreign direct investors in the United States. Washington: Survey of Current Business.
استشهاد بنمط شيكاغوForeign Direct Investors in the United States. Washington: Survey of Current Business, 1972.
MLA استشهادForeign Direct Investors in the United States. Washington: Survey of Current Business, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.