Osman 2006[page needed] Osman, Suleiman Norein (2006). "Phonology of the Zaghawa Language in Sudan"(PDF). In Abu-Manga, Al-Amin; Gilley, Leoma; Storch, Anne (eds.). Insights into Nilo-Saharan Language, History and Culture: Proceedings of the 9th Nilo-Saharan Linguistic Colloquium, University of Khartoum. Cologne: Rüdiger Köppe. pp. 347–361. ISBN978-3-89645-660-1. Archived from the original(PDF) on 29 February 2012.
Osman 2006[page needed] Osman, Suleiman Norein (2006). "Phonology of the Zaghawa Language in Sudan"(PDF). In Abu-Manga, Al-Amin; Gilley, Leoma; Storch, Anne (eds.). Insights into Nilo-Saharan Language, History and Culture: Proceedings of the 9th Nilo-Saharan Linguistic Colloquium, University of Khartoum. Cologne: Rüdiger Köppe. pp. 347–361. ISBN978-3-89645-660-1. Archived from the original(PDF) on 29 February 2012.