Oquendo, Luis. 2004. Is Japreria a Yukpa Dialect?. Lingua Americana 8. 87–98.
@article{oquendo2004japreria, author = {Oquendo, Luis}, journal = {Lingua Americana}, number = {14}, pages = {87–98}, title = {Is Japreria a Yukpa Dialect?}, volume = {8}, year = {2004} }