Cita APA (7th ed.)

Metzger, M., & Metzget,Martina. (2008). Regional cooperation and integration in Sub-Saharan Africa. United Nations Conference on Trade and Development.

Cita Chicago (17th ed.)

Metzger, Martina, i Metzget,Martina. Regional Cooperation and Integration in Sub-Saharan Africa. Geneva,Switzerland: United Nations Conference on Trade and Development, 2008.

Cita MLA (9th ed.)

Metzger, Martina, i Metzget,Martina. Regional Cooperation and Integration in Sub-Saharan Africa. United Nations Conference on Trade and Development, 2008.