Stewart, A. M. (2008). Kodansha's katakana workbook: A step-by-step approach to basic Japanese writing. Kodansha International.
Lua i Stíl Chicago (17ú heag.)Stewart, Anne Matsumoto. Kodansha's Katakana Workbook: A Step-by-step Approach to Basic Japanese Writing. Tokyo New York: Kodansha International, 2008.
Lua MLA (8ú heag.)Stewart, Anne Matsumoto. Kodansha's Katakana Workbook: A Step-by-step Approach to Basic Japanese Writing. Kodansha International, 2008.
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