Heine, Bernd. 1999. Ik dictionary. (Nilo-Saharan: linguistic analyses and documentation (NISA), 15.) Köln: Rüdiger Köppe Verlag.
@book{heineik1999, author = {Heine, Bernd}, publisher = {Köln: Rüdiger Köppe Verlag}, series = {Nilo-Saharan: linguistic analyses and documentation (NISA)}, title = {Ik dictionary}, volume = {15}, year = {1999} }