Lewis, I. M. (1958-01-01). "The Gadabuursi Somali Script". Bulletin of the School of Oriental and African Studies, University of London. 21 (1/3): 134–156. doi:10.1017/s0041977x00063278. JSTOR610496.
Lewis, I. M. (1958-01-01). "The Awrtable Somali Script". Bulletin of the School of Oriental and African Studies, University of London. 21 (1/3): 142. doi:10.1017/s0041977x00063278. JSTOR610496.
jstor.org
Lewis, I. M. (1958-01-01). "The Gadabuursi Somali Script". Bulletin of the School of Oriental and African Studies, University of London. 21 (1/3): 134–156. doi:10.1017/s0041977x00063278. JSTOR610496.
Lewis, I. M. (1958-01-01). "The Awrtable Somali Script". Bulletin of the School of Oriental and African Studies, University of London. 21 (1/3): 142. doi:10.1017/s0041977x00063278. JSTOR610496.