Kropp, M. (1989). Asma Giyorgis and his Work: History of the Galla and the Kingdom of Śawa : Edited by Bairu Tafla, Stuttgart 1987. Oriens christianus, 73, 237-240. doi:10.71684/orchr.v73i.103864
Citazione stile Chigago Style (17a edizione)Kropp, Manfred. "Asma Giyorgis and His Work: History of the Galla and the Kingdom of Śawa : Edited by Bairu Tafla, Stuttgart 1987." Oriens Christianus 73 (1989): 237-240, https://doi.org/10.71684/orchr.v73i.103864.
Citatione MLA (9a ed.)Kropp, Manfred. "Asma Giyorgis and His Work: History of the Galla and the Kingdom of Śawa : Edited by Bairu Tafla, Stuttgart 1987." Oriens Christianus, vol. 73, 1989, pp. 237-240, https://doi.org/10.71684/orchr.v73i.103864.
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