APA aipamena

Dubicka, I., & O'Keeffe, . M. (2003). English for international tourism: Pre - intermesiate workbook. Harlow, England: Pearson Education Limited.

Chicago Style aipamena

Dubicka, Iwonna, và Margaret O'Keeffe. English for International Tourism: Pre - Intermesiate Workbook. Harlow, England: Pearson Education Limited, 2003.

MLA aipamena

Dubicka, Iwonna, và Margaret O'Keeffe. English for International Tourism: Pre - Intermesiate Workbook. Harlow, England: Pearson Education Limited, 2003.