Campbell, Lyle. 1985. The Pipil Language of El Salvador. (Mouton Grammar Library, 1.) Berlin: Mouton de Gruyter. xiv+957pp.
@book{gCampbellPipil, author = {Campbell, Lyle}, pages = {xiv+957}, publisher = {Berlin: Mouton de Gruyter}, series = {Mouton Grammar Library}, title = {The Pipil Language of El Salvador}, volume = {1}, year = {1985} }