IBhibliyografi yolwimi olusisiXhosa ukuya kutsho kunyaka we-1990 / ihlanganiswe ngu M.A. Peters no C.P. Bothma ; ihlelwe ngu G.T. Sirayi = Bibliography of the Xhosa language to the year 1990 / compiled by M.A. Peters and C.P. Bothma ; Xhosa text edited by G.T. Sirayi.