McGregor, William B. 2006. Focal and optional ergative marking in Warrwa (Kimberley, Western Australia). Lingua 116. 393-423.
@article{sinnemakizeromarking-McGregor2006,
author = {McGregor, William B.},
journal = {Lingua},
pages = {393-423},
title = {Focal and optional ergative marking in Warrwa (Kimberley, Western Australia)},
volume = {116},
year = {2006}
}