Oka, M. (2010). Kitaeyō kanjiryoku: Jōkyū e tsunageru kiso kanji happyaku jōkyū eno tobira kontentsu to maruchimedia de manabu nihongo = Power up your kanji : 800 basic kanji as a gateway to advanced Japanese. Kuroshio shuppan.
Chicago-Zitierstil (17. Ausg.)Oka, Mayumi. Kitaeyō Kanjiryoku: Jōkyū E Tsunageru Kiso Kanji Happyaku Jōkyū Eno Tobira Kontentsu to Maruchimedia De Manabu Nihongo = Power Up Your Kanji : 800 Basic Kanji as a Gateway to Advanced Japanese. Tōkyō: Kuroshio shuppan, 2010.
MLA-Zitierstil (9. Ausg.)Oka, Mayumi. Kitaeyō Kanjiryoku: Jōkyū E Tsunageru Kiso Kanji Happyaku Jōkyū Eno Tobira Kontentsu to Maruchimedia De Manabu Nihongo = Power Up Your Kanji : 800 Basic Kanji as a Gateway to Advanced Japanese. Kuroshio shuppan, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.