Schulze-Fürhoff, Wolfgang. 1994. Udi. In Smeets, Rieks (ed.), The Indigenous Languages of the Caucasus 4, Part 2, 447-514. Delmar, New York: Caravan Books.
@incollection{sSchulzeUdi, address = {Delmar, New York}, author = {Schulze-Fürhoff, Wolfgang}, booktitle = {The Indigenous Languages of the Caucasus 4, Part 2}, editor = {Smeets, Rieks}, pages = {447-514}, publisher = {Delmar, New York: Caravan Books}, title = {Udi}, year = {1994} }