APA-referens (7:e uppl.)

(2006). Japanese for busy people i, romanized version (4th Editon.). Kodansha International.

Chicago-referens (17:e uppl.)

Japanese for Busy People I, Romanized Version. 4th Editon. Tokyo ; New York: Kodansha International, 2006.

MLA-referens (9:e uppl.)

Japanese for Busy People I, Romanized Version. 4th Editon. Kodansha International, 2006.