Chung, Sandra and Timberlake, Alan. 1985. Tense, Aspect and Mood. In Shopen, Timothy (ed.), 241-258. Cambridge: Cambridge University Press.
@incollection{Chung-and-Timberlake-1985, address = {Cambridge}, author = {Chung, Sandra and Timberlake, Alan}, editor = {Shopen, Timothy}, pages = {241-258}, publisher = {Cambridge University Press}, series = {Language Typology and Syntactic Description}, title = {Tense, Aspect and Mood}, volume = {3}, year = {1985} }