abu salih, m. h., & rajjal, y. (2007). Strategic planning of Sudan: The missing dimension. [s.n.].
Cita Chicago Style (17a ed.)abu salih, mohammed hussein, y yasser rajjal. Strategic Planning of Sudan: The Missing Dimension. Khartoum: [s.n.], 2007.
Cita MLA (9a ed.)abu salih, mohammed hussein, y yasser rajjal. Strategic Planning of Sudan: The Missing Dimension. [s.n.], 2007.
Precaución: Estas citas no son 100% exactas.