Gaya APA
Dubicka, I., O'Keeffe, M.
(2011).
English for International Tourism
(
11)
.
Essex:
Pearson Education Limited.
Gaya MLA
Dubicka, Iwonna., O'Keeffe, Margaret.
"English for International Tourism".
11
Essex:
Pearson Education Limited,
2011.
Text.