Wright, J. W. 1951. The White Nile and the Sobat. Sudan Notes and Records 32. 113-130.
@article{wright1951,
author = {Wright, J. W.},
journal = {Sudan Notes and Records},
key = {Wright (1951)},
pages = {113-130},
title = {The White Nile and the Sobat},
volume = {32},
year = {1951}
}