Yeats, A. J. (1994). What are OECD trade preferences worth to Sub-Saharan Africa? World Bank, International Economics Department, International Trade Division.
Chicago-referens (17:e uppl.)Yeats, Alexander J. What Are OECD Trade Preferences Worth to Sub-Saharan Africa? Washington, D.C: World Bank, International Economics Department, International Trade Division, 1994.
MLA-referens (9:e uppl.)Yeats, Alexander J. What Are OECD Trade Preferences Worth to Sub-Saharan Africa? World Bank, International Economics Department, International Trade Division, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.