Campbell, Philip J. 1991. Phonology of Pitu Ulunna Salu. 12. Ujung Pandang, Sulawesi: Summer Institute of Linguistics.
@inbook{Campbell-1991, address = {Ujung Pandang, Sulawesi}, author = {Campbell, Philip J.}, publisher = {Summer Institute of Linguistics}, series = {Workpapers in Indonesian Languages and Culture}, title = {Phonology of Pitu Ulunna Salu}, volume = {12}, year = {1991}, iso_code = {ptu}, olac_field = {phonetics; phonology; typology; general_linguistics}, wals_code = {bbm} }