Siewierska, Anna. 2005c. Verbal person marking. In WALS, 414–17.
@incollection{siewierska2005c,
author = {Siewierska, Anna},
booktitle = {WALS},
key = {Siewierska 2005c},
pages = {414–17},
title = {Verbal person marking},
year = {2005c}
}