APA Style
Dubicka, I., O'Keeffe, M. (2003).
English for International Tourism: Pre-intermediate Student's Book .
England:
Pearson Education Limited.
MLA Style
Dubicka, Iwonna., O'Keeffe, Margaret.
"English for International Tourism: Pre-intermediate Student's Book".
England:
Pearson Education Limited,
2003.
E-Book.