Hofmann, E. (1962). P. M. Holt: A Modern History of the Sudan, London: Weidenfeld & Nicolson 1961, Sh.27/6. Die Welt des Islams, 8(1), 76-77. doi:10.1163/157006062X00175
芝加哥风格引文Hofmann, Erich. "P. M. Holt: A Modern History of the Sudan, London: Weidenfeld & Nicolson 1961, Sh.27/6." Die Welt Des Islams 8, no. 1 (1962): 76-77, https://doi.org/10.1163/157006062X00175.
MLA引文Hofmann, Erich. "P. M. Holt: A Modern History of the Sudan, London: Weidenfeld & Nicolson 1961, Sh.27/6." Die Welt Des Islams, vol. 8, no. 1, 1962, pp. 76-77, https://doi.org/10.1163/157006062X00175.
警告：这些引文格式不一定是100％准确.