Tompkins, Barbara and Angela Kluge. 2002. "Sociolinguistic survey of the Aja language area." SIL Electronic Survey Reports 2002-020. [1]Arquivado 11 de maio de 2008 en Wayback Machine.
web.archive.org
Tompkins, Barbara and Angela Kluge. 2002. "Sociolinguistic survey of the Aja language area." SIL Electronic Survey Reports 2002-020. [1]Arquivado 11 de maio de 2008 en Wayback Machine.