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}
}