Não informado. (2003). Studies in foreign language teaching. Dokkyo University, Research Institute of Foreign Language Teaching.
Čikaški stil citiranja (17. izdanje)Não informado. Studies in Foreign Language Teaching. Soka-Shi, Japão: Dokkyo University, Research Institute of Foreign Language Teaching, 2003.
MLA način citiranja (8. izdanje)Não informado. Studies in Foreign Language Teaching. Dokkyo University, Research Institute of Foreign Language Teaching, 2003.
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