Adelaar, Willem F.H. 2012. The Indigenous Languages of South America: A Comprehensive Guide. In Campbell, Lyle; Grondona, Verónica (ed.) 575-624. Berlin, Boston: De Gruyter.
@inbook{Adelaar2012a, address = {Berlin, Boston}, author = {Adelaar, Willem F.H.}, chapter = {Languages of the Middle Andes in Areal-Typological Perspective: Emphasis on Quechuan and Aymaran}, editor = {Campbell, Lyle; Grondona, Verónica}, pages = {575-624}, publisher = {De Gruyter}, title = {The Indigenous Languages of South America: A Comprehensive Guide}, year = {2012} }