Ultan, Russell. 1978. The Nature of Future Tenses. In Greenberg, Joseph H. (ed.), Universals of Human Language, 83-123. Stanford: Stanford University Press.
@incollection{Ultan-1978, address = {Stanford}, author = {Ultan, Russell}, booktitle = {Universals of Human Language}, editor = {Greenberg, Joseph H.}, pages = {83-123}, publisher = {Stanford University Press}, title = {The Nature of Future Tenses}, year = {1978} }