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} }