Joswig 2009. Joswig, Andreas (2009). "Rethinking Awngi Tone"(PDF). In Ege, Svein; Aspen, Harald; Teferra, Birhanu; Bekele, Shiferaw (eds.). Proceedings of the 16th International Conference of Ethiopian Studies. Vol. 4. Trondheim: NTNU. pp. 1417–1425. S2CID146370463. Archived from the original(PDF) on 2020-02-18.
Joswig 2009. Joswig, Andreas (2009). "Rethinking Awngi Tone"(PDF). In Ege, Svein; Aspen, Harald; Teferra, Birhanu; Bekele, Shiferaw (eds.). Proceedings of the 16th International Conference of Ethiopian Studies. Vol. 4. Trondheim: NTNU. pp. 1417–1425. S2CID146370463. Archived from the original(PDF) on 2020-02-18.
Joswig 2009. Joswig, Andreas (2009). "Rethinking Awngi Tone"(PDF). In Ege, Svein; Aspen, Harald; Teferra, Birhanu; Bekele, Shiferaw (eds.). Proceedings of the 16th International Conference of Ethiopian Studies. Vol. 4. Trondheim: NTNU. pp. 1417–1425. S2CID146370463. Archived from the original(PDF) on 2020-02-18.