[SIL12]. 1992. Ethnologue: languages of the world. 12th edition, edited by Barbara F. Grimes edn. Dallas: Summer Inst. of Linguistics (SIL). (2 vols).
@book{79725, address = {Dallas}, author = {[SIL12]}, edition = {12th edition, edited by Barbara F. Grimes}, note = {2 vols}, publisher = {Summer Inst. of Linguistics (SIL)}, title = {Ethnologue: languages of the world}, year = {1992}, hhtype = {comparative (computerized assignment from "languages")}, inlg = {English [eng]}, keywords = {;afr;ssa;naf;waf;caf;nea;eaf;saf;lng;bnt;t.000;u.000;v.000;w.000;x.000;y.000;z.000;map;}, macro_area = {Africa}, src = {eballiso2009} }