Frank, Paul Stephen. 1985. A Grammar of Ika (Chibchan, Colombia). (Doctoral dissertation, University of Pennsylvania).
@phdthesis{malchukovditransitives-frank1985, author = {Frank, Paul Stephen}, booktitle = {A Grammar of Ika (Chibchan, Colombia)}, school = {University of Pennsylvania}, title = {A Grammar of Ika (Chibchan, Colombia)}, year = {1985} }