Boafa, Ebenezer and Kluge, Angela. 2010. A sociolinguistic survey of the Boulba (Notre) language area. (SIL Electronic Survey Reports 2010-011 \url{ http://www.sil.org/silesr/abstract.asp?ref=2010-011} ).
@misc{6734, author = {Boafa, Ebenezer and Kluge, Angela}, title = {A sociolinguistic survey of the Boulba (Notre) language area. (SIL Electronic Survey Reports 2010-011 \url{ http://www.sil.org/silesr/abstract.asp?ref=2010-011} ).}, year = {2010} }