Wells, T. (1986). Easy Katakana: How the assistance of Aoi Yokouchi. Tokyo: Yohan Publication.
Trích dẫn kiểu ChicagoWells, Tina. Easy Katakana: How the Assistance of Aoi Yokouchi. Tokyo: Yohan Publication, 1986.
ציטוט MLAWells, Tina. Easy Katakana: How the Assistance of Aoi Yokouchi. Tokyo: Yohan Publication, 1986.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.