Hopper, Paul and Thompson, Sandra A. 1980. Transitivity in Grammar and Discourse. Language 56. 251-299.
@article{Hopper-and-Thompson-1980, author = {Hopper, Paul and Thompson, Sandra A.}, journal = {Language}, pages = {251-299}, title = {Transitivity in Grammar and Discourse}, volume = {56}, year = {1980} }