Tsukuba Language Group. (1995). Situational functional Japanese (Second edition.). Tokyo: Bonjisha.
Chicago Style aipamenaTsukuba Language Group. Situational Functional Japanese. Second edition. Tokyo: Bonjisha, 1995.
MLA aipamenaTsukuba Language Group. Situational Functional Japanese. Second edition. Tokyo: Bonjisha, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.