Database, T. C. B. T. E. (2013). Total factor productivity growth of the selected countries. The Conference Board Total Economy Database.
استشهاد بنمط شيكاغوDatabase, The Conference Board Total Economy. Total Factor Productivity Growth of the Selected Countries. The Conference Board Total Economy Database, 2013.
MLA استشهادDatabase, The Conference Board Total Economy. Total Factor Productivity Growth of the Selected Countries. The Conference Board Total Economy Database, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.