THESIGER, Wilfred. The Awash River and the Aussa Sultanate. The Geographical Journal. 1935, roč. 85, čís. 1, s. 1–19. Dostupné online [cit. 2023-12-10]. ISSN0016-7398. doi:10.2307/1787031.
VAN SLAGEREN, Jaap. Ethiopia, History, Culture and Challenges, edited by Siebert Uhlig, David Appleyard, Alessandro Bausi, Wolfgang Hahn, Steven Kaplan. Exchange. 2019-11-14, roč. 48, čís. 4, s. 394–395. Dostupné online [cit. 2023-12-10]. ISSN0166-2740. doi:10.1163/1572543x-12341543.
dx.doi.org
LONELY PLANET. [s.l.]: Princeton University Press Dostupné online. S. 76–78.
VAN SLAGEREN, Jaap. Ethiopia, History, Culture and Challenges, edited by Siebert Uhlig, David Appleyard, Alessandro Bausi, Wolfgang Hahn, Steven Kaplan. Exchange. 2019-11-14, roč. 48, čís. 4, s. 394–395. Dostupné online [cit. 2023-12-10]. ISSN0166-2740. doi:10.1163/1572543x-12341543.
jstor.org
THESIGER, Wilfred. The Awash River and the Aussa Sultanate. The Geographical Journal. 1935, roč. 85, čís. 1, s. 1–19. Dostupné online [cit. 2023-12-10]. ISSN0016-7398. doi:10.2307/1787031.
worldcat.org
THESIGER, Wilfred. The Awash River and the Aussa Sultanate. The Geographical Journal. 1935, roč. 85, čís. 1, s. 1–19. Dostupné online [cit. 2023-12-10]. ISSN0016-7398. doi:10.2307/1787031.
VAN SLAGEREN, Jaap. Ethiopia, History, Culture and Challenges, edited by Siebert Uhlig, David Appleyard, Alessandro Bausi, Wolfgang Hahn, Steven Kaplan. Exchange. 2019-11-14, roč. 48, čís. 4, s. 394–395. Dostupné online [cit. 2023-12-10]. ISSN0166-2740. doi:10.1163/1572543x-12341543.