Walker, R. (2007). Tourism 2: 1 Class CD. Oxford: Oxford University.
Trích dẫn kiểu ChicagoWalker, Robin. Tourism 2: 1 Class CD. Oxford: Oxford University, 2007.
MLA Trích dẫnWalker, Robin. Tourism 2: 1 Class CD. Oxford: Oxford University, 2007.
Warning: These citations may not always be 100% accurate.