National Planning Institute. (2007). development of cross border trade among Nile basin countries: Ascoping study. National Planning Institute.
Chicagoスタイル(17版)引用形式National Planning Institute. Development of Cross Border Trade Among Nile Basin Countries: Ascoping Study. cairo.: National Planning Institute, 2007.
MLA(9版)引用形式National Planning Institute. Development of Cross Border Trade Among Nile Basin Countries: Ascoping Study. National Planning Institute, 2007.
警告: この引用は必ずしも正確ではありません.