Não informado. (2003). Studies in foreign language teaching. Dokkyo University, Research Institute of Foreign Language Teaching.
Chicago-Zitierstil (17. Ausg.)Não informado. Studies in Foreign Language Teaching. Soka-Shi, Japão: Dokkyo University, Research Institute of Foreign Language Teaching, 2003.
MLA-Zitierstil (8. Ausg.)Não informado. Studies in Foreign Language Teaching. Dokkyo University, Research Institute of Foreign Language Teaching, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.