एपीए उद्धरण

Walker, R. W. (2009). Oxford English for careers tourism 3 Student's book. Oxford University Press.

शिकागो स्टाइल उद्धरण

Walker, Robin Walker. Oxford English for Careers Tourism 3 Student's Book. Oxford University Press, 2009.

एमएलए उद्धरण

Walker, Robin Walker. Oxford English for Careers Tourism 3 Student's Book. Oxford University Press, 2009.