Persson, Andrew M. & Janet R. Persson. 1991. Mödö-English dictionary with grammar. Nairobi, Kenya: SIL Sudan.
@misc{6776,
author = {Persson, Andrew M. and Persson, Janet R.},
title = {Mödö-English dictionary with grammar. Nairobi, Kenya: SIL Sudan.},
year = {1991}
}