Jones, Ross McCallum. 1998. The Boko/Busa Language Cluster. (LINCOM Studies in African Linguistics, 30.) München: Lincom. xi+353pp.
@book{gJonesBokoBusa,
author = {Jones, Ross McCallum},
pages = {xi+353},
publisher = {München: Lincom},
series = {LINCOM Studies in African Linguistics},
title = {The Boko/Busa Language Cluster},
volume = {30},
year = {1998}
}