Shibatani 1990

Shibatani, Masayoshi. 1990. The languages of Japan. Cambridge: Cambridge University Press.

@book{jacquesestimative-shibatani90japan,
  author    = {Shibatani, Masayoshi},
  publisher = {Cambridge: Cambridge University Press},
  title     = {The languages of Japan},
  year      = {1990}
}