Ramírez Acosta, R. d. J., & Castillo Ponce, R. A. (2009). Economic integration in North America: Learning from the experience of the European Union for the NAFTA. Universidad Autónoma de Baja California.

Ramírez Acosta, Ramón de Jesús, y Ramón A. Castillo Ponce. Economic Integration in North America: Learning From the Experience of the European Union for the NAFTA. Universidad Autónoma de Baja California, 2009.

Ramírez Acosta, Ramón de Jesús, y Ramón A. Castillo Ponce. Economic Integration in North America: Learning From the Experience of the European Union for the NAFTA. Universidad Autónoma de Baja California, 2009.