Ono, Yoneichi and Okuda, Osami. 1999.0. Hokkaidoo no Kotoba [The Languages of Hokkaido]. Sapporo: The Hokkaido Shimbun Press.
@book{12221147808,
address = {Sapporo},
author = {Ono, Yoneichi and Okuda, Osami},
booktitle = {Hokkaidoo no Kotoba [The Languages of Hokkaido]},
publisher = {The Hokkaido Shimbun Press},
title = {Hokkaidoo no Kotoba [The Languages of Hokkaido]},
year = {1999.0}
}