Gaya APA
English for International Tourism. (2003).
Harlow:
Pearson education.
Gaya Chicago
English for International Tourism.
Cet. 1.
Harlow:
Pearson education,
2003.
.
Gaya MLA
English for International Tourism.
Cet. 1.
Harlow:
Pearson education,
2003.
.
Gaya Turabian
English for International Tourism.
Harlow:
Pearson education,
2003.
.