Dubicka, I., & O'Keeffe, . M. (2003). English for international tourism: Pre - intermesiate workbook. Harlow, England: Pearson Education Limited.
シカゴスタイル引用形Dubicka, Iwonna, , Margaret O'Keeffe. English for International Tourism: Pre - Intermesiate Workbook. Harlow, England: Pearson Education Limited, 2003.
MLA引用形式Dubicka, Iwonna, , Margaret O'Keeffe. English for International Tourism: Pre - Intermesiate Workbook. Harlow, England: Pearson Education Limited, 2003.
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