Citazione Stile APA (7a Edizione)

Yeats, A. J. (1994). What are OECD trade preferences worth to Sub-Saharan Africa? World Bank, International Economics Department, International Trade Division.

Citazione stile Chigago Style (17a edizione)

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.

Citatione MLA (9a ed.)

Yeats, Alexander J. What Are OECD Trade Preferences Worth to Sub-Saharan Africa? World Bank, International Economics Department, International Trade Division, 1994.