Bibliography
Bibliography of Vitality:
Akinbiyi Akinlabi, Bruce Connell and Ozo-Mekuri Ndimele. 2011. "Defaka & Nkoroo Description & Documentation." Online: http://defaka.rutgers.edu/project.html.
Bibliography of Locations:
2005. "The World Atlas of Language Structures." edited by Bernard Comrie et al. Oxford University Press.
Bibliography of Context:
Akinbiyi Akinlabi, Bruce Connell and Ozo-Mekuri Ndimele. 2011. "Defaka & Nkoroo Description & Documentation." Online: http://defaka.rutgers.edu/project.html.