Zobel, Erik. 2006. Buol. In Adelaar, Alexander and Himmelman, Niklaus (eds.) 625–628. 1st edn. Routledge.
@inbook{1676_blf_zubol, author = {Zobel, Erik}, booktitle = {The Austronesian Languages of Asia and Madagascar}, chapter = {22}, edition = {1st}, editor = {Adelaar, Alexander and Himmelman, Niklaus}, pages = {625–628}, publisher = {Routledge}, title = {Buol}, year = {2006} }