Tsukamoto, Akihisa. 1988. The language of Niuafo'ou Island. (Doctoral dissertation, Australian National University; xiii+482pp.)
@phdthesis{gTsukamotoNiuafoou, author = {Tsukamoto, Akihisa}, pages = {xiii+482}, school = {Australian National University}, title = {The language of Niuafo'ou Island}, year = {1988} }