Friesen, Lisa. 2002. Valence Change and Oroko Verb Morphology (Mbonge Dialect). (MA thesis, University of North Dakota; x+124pp.)
@mastersthesis{sFriesenOroko, author = {Friesen, Lisa}, pages = {x+124}, school = {University of North Dakota}, title = {Valence Change and Oroko Verb Morphology (Mbonge Dialect)}, year = {2002} }