Mayoka, J. M. M. Utenzi wa vita vya uhuru wa Msumbiji / J.M.M. Mayoka. - Arusha [Tanzania] : Eastern Africa Publications, c1978 - iv, 98 p. ; 18 cm. In Swahili. LCCN: 85980973 LC Class. No.: PL8704.M354 / U84 1981 Dewey Class. No.: 808.1