Hartell, Rhonda L. (1993). Alphabets of Africa. Dakar, Senegal: Regional Office for Education in Africa, Summer Institute of Linguistics, Unesco-Dakar Regional Office. p. 66. OCLC35148690. OL45066553M.
Hartell, Rhonda L. (1993). Alphabets of Africa. Dakar, Senegal: Regional Office for Education in Africa, Summer Institute of Linguistics, Unesco-Dakar Regional Office. p. 66. OCLC35148690. OL45066553M.