Não informado. (2003). Studies in foreign language teaching. Dokkyo University, Research Institute of Foreign Language Teaching.
Citação do estilo Chicago (17ª ed.)Não informado. Studies in Foreign Language Teaching. Soka-Shi, Japão: Dokkyo University, Research Institute of Foreign Language Teaching, 2003.
Citação MLA (8ª ed.)Não informado. Studies in Foreign Language Teaching. Dokkyo University, Research Institute of Foreign Language Teaching, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.