Walker, R. W. (2009). Oxford English for careers tourism 2 Student's book. Oxford University Press.
Čikaški stil citiranjaWalker, Robin Walker. Oxford English for Careers Tourism 2 Student's Book. Oxford University Press, 2009.
MLA način citiranjaWalker, Robin Walker. Oxford English for Careers Tourism 2 Student's Book. Oxford University Press, 2009.
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