Loewen, Jacob Abram. 1958. An introduction to Ępęra speech: Sambú dialect. University of Washington. xiv+281pp.
@book{loewen1958epera,
author = {Loewen, Jacob Abram},
pages = {xiv+281},
publisher = {University of Washington},
school = {University of Seattle},
title = {An introduction to Ępęra speech: Sambú dialect},
year = {1958}
}