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}
}