Não informado. Quarterly economic review of Sudan. Economist Intelligence Unit.
Chicagoスタイル(17版)引用形式Não informado. Quarterly Economic Review of Sudan. London: Economist Intelligence Unit.
MLA(8版)引用形式Não informado. Quarterly Economic Review of Sudan. Economist Intelligence Unit.
警告: この引用は必ずしも正確ではありません.