Scholz, Hans-Juergen. 1977. Igbirra. In Kropp Dakubu, M. E. (ed.), West African language data sheets, vol. 1. Legon, Ghana: West African Linguistic Society.
@misc{3562,
author = {Scholz, Hans-Juergen},
title = {Igbirra. In Kropp Dakubu, M. E. (ed.), West African language data sheets, vol. 1. Legon, Ghana: West African Linguistic Society.},
year = {1977}
}