APA (7th ed.) Citation
Dubicka, I., & O' Keeffe, M. (2003). English for international tourism: Pre-intermediate (1a. ed.). Longman.
Chicago Style (17th ed.) Citation
Dubicka, Iwonna, and Margaret O' Keeffe. English for International Tourism: Pre-intermediate. 1a. ed. Edinburgo: Longman, 2003.
MLA (9th ed.) Citation
Dubicka, Iwonna, and Margaret O' Keeffe. English for International Tourism: Pre-intermediate. 1a. ed. Longman, 2003.
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