abu salih, m. h., & rajjal, y. (2007). Strategic planning of Sudan: The missing dimension. [s.n.].
芝加哥风格引文abu salih, mohammed hussein, 与 yasser rajjal. Strategic Planning of Sudan: The Missing Dimension. Khartoum: [s.n.], 2007.
MLA引文abu salih, mohammed hussein, 与 yasser rajjal. Strategic Planning of Sudan: The Missing Dimension. [s.n.], 2007.
警告：这些引文格式不一定是100％准确.