Citazione Stile APA (7a Edizione)

Amjadi, A., Reincke, U., & Yeats, A. J. (1996). Did external barriers cause the marginalization of Sub-Saharan Africa in world trade? World Bank.

Citazione stile Chigago Style (17a edizione)

Amjadi, Azita, Ulrich Reincke, e Alexander J. Yeats. Did External Barriers Cause the Marginalization of Sub-Saharan Africa in World Trade? Washington, D.C: World Bank, 1996.

Citatione MLA (9a ed.)

Amjadi, Azita, et al. Did External Barriers Cause the Marginalization of Sub-Saharan Africa in World Trade? World Bank, 1996.