Sudan Notes and Records. University of Khartoum.
芝加哥风格引文Sudan Notes and Records. University of Khartoum.
MLA引文Sudan Notes and Records. University of Khartoum.
警告：这些引文格式不一定是100％准确.
APA引文
Sudan Notes and Records. University of Khartoum.
芝加哥风格引文Sudan Notes and Records. University of Khartoum.
MLA引文Sudan Notes and Records. University of Khartoum.