Kokusai Nihongo Fukyū Kyōkai. (2022). Kokusai nihongo fukyū kyōkai japanese for busy people (Revised 4th edition, Brand new edition.). Kodansha USA Publishing, LLC.
Citazione stile Chigago Style (17a edizione)Kokusai Nihongo Fukyū Kyōkai. Kokusai Nihongo Fukyū Kyōkai Japanese for Busy People. Revised 4th edition, Brand new edition. New York, NY: Kodansha USA Publishing, LLC, 2022.
Citatione MLA (9a ed.)Kokusai Nihongo Fukyū Kyōkai. Kokusai Nihongo Fukyū Kyōkai Japanese for Busy People. Revised 4th edition, Brand new edition. Kodansha USA Publishing, LLC, 2022.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.