van den Berg, René and Wiebe, Brent. 2019. Bola Grammar Sketch. (Data Papers on Papua New Guinea Languages, 63.) Ukarumpa: Summer Institute of Linguistics. xv+149pp.
@book{gvandenBergWiebeBola, address = {Ukarumpa}, author = {van den Berg, René and Wiebe, Brent}, pages = {xv+149}, publisher = {Ukarumpa: Summer Institute of Linguistics}, series = {Data Papers on Papua New Guinea Languages}, title = {Bola Grammar Sketch}, volume = {63}, year = {2019} }