Dubicka, I., & O'Keeffe, . M. (2003). English for international tourism: Pre - intermesiate workbook. Harlow, England: Pearson Education Limited.
Dyfyniad Arddull ChicagoDubicka, Iwonna, và Margaret O'Keeffe. English for International Tourism: Pre - Intermesiate Workbook. Harlow, England: Pearson Education Limited, 2003.
Dyfyniad MLADubicka, Iwonna, và Margaret O'Keeffe. English for International Tourism: Pre - Intermesiate Workbook. Harlow, England: Pearson Education Limited, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.