Woollams, Geoffrey. 1996. A Grammar of Karo Batak, Sumatra. (Pacific Linguistics, Series C, 130.) Canberra: Australian National University.
@book{Woollams-1996, address = {Canberra}, author = {Woollams, Geoffrey}, publisher = {Australian National University}, series = {Pacific Linguistics, Series C}, title = {A Grammar of Karo Batak, Sumatra}, volume = {130}, year = {1996}, iso_code = {btx}, olac_field = {typology; semantics; phonology; morphology; phonetics; syntax; general_linguistics}, wals_code = {bkr} }