Cita APA

Dubicka, I., & O'Keeffe, M. (2013). English for international tourism: Pre-Intermediate coursebook. England: Pearson.

Citación estilo Chicago

Dubicka, Iwonna, y Margaret O'Keeffe. English for International Tourism: Pre-Intermediate Coursebook. England: Pearson, 2013.

Cita MLA

Dubicka, Iwonna, y Margaret O'Keeffe. English for International Tourism: Pre-Intermediate Coursebook. England: Pearson, 2013.