Gowlett, Derek. 2003. Zone S. In Nurse, Derek and Philippson, Gérard (eds.), The Bantu Languages, 609–638. Routledge.
@incollection{1319_zone-s,
author = {Gowlett, Derek},
booktitle = {The Bantu Languages},
editor = {Nurse, Derek and Philippson, Gérard},
pages = {609–638},
publisher = {Routledge},
title = {Zone S},
year = {2003}
}