APA

Institute of Social Studies, Van Bergeijk P. A. G. & Afesorgbor S. K. (2011). Multi membership and the effectiveness of regional trade agreements in western and southern Africa : a comparative study of ECOWAS and SADC. Hague: ISS International Institute of Social Studies.

Chicago

Institute of Social Studies, Van Bergeijk Peter A G and Afesorgbor Sylvanus Kwaku. 2011. Multi membership and the effectiveness of regional trade agreements in western and southern Africa : a comparative study of ECOWAS and SADC. Hague: ISS International Institute of Social Studies.

Harvard

Institute of Social Studies, Van Bergeijk P. A. G. and Afesorgbor S. K. (2011). Multi membership and the effectiveness of regional trade agreements in western and southern Africa : a comparative study of ECOWAS and SADC. Hague: ISS International Institute of Social Studies.

MLA

Institute of Social Studies, Van Bergeijk Peter A G and Afesorgbor Sylvanus Kwaku. Multi membership and the effectiveness of regional trade agreements in western and southern Africa : a comparative study of ECOWAS and SADC. Hague: ISS International Institute of Social Studies. 2011.