Frank, Paul Stephen. 1985. A Grammar of Ika (Chibchan, Colombia). (Doctoral dissertation, Philadelphia: University of Pennsylvania; 194pp.)
@phdthesis{gFrankIka, author = {Frank, Paul Stephen}, pages = {194}, school = {Philadelphia: University of Pennsylvania}, title = {A Grammar of Ika (Chibchan, Colombia)}, year = {1985} }