Cita APA (7th ed.)

Yang, Y., & Gupta, S. (2005). Regional trade arrangements in Africa. International Monetary Fund.

Cita Chicago (17th ed.)

Yang, Yongzheng, i Sanjeev Gupta. Regional Trade Arrangements in Africa. Washington, D.C: International Monetary Fund, 2005.

Cita MLA (9th ed.)

Yang, Yongzheng, i Sanjeev Gupta. Regional Trade Arrangements in Africa. International Monetary Fund, 2005.