Dubicka, I. (2003). English for international tourism: Pre-intermadiate Students' book. Harlow, England: Pearson Education Limited.
シカゴスタイル引用形Dubicka, Iwonna. English for International Tourism: Pre-intermadiate Students' Book. Harlow, England: Pearson Education Limited, 2003.
MLA引用形式Dubicka, Iwonna. English for International Tourism: Pre-intermadiate Students' Book. Harlow, England: Pearson Education Limited, 2003.
警告: この引用は必ずしも正確ではありません.