Walker, R. (2010). Tourism 2: Student's Book. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoWalker, Robin. Tourism 2: Student's Book. Oxford: Oxford University Press, 2010.
Deismireacht MLAWalker, Robin. Tourism 2: Student's Book. Oxford: Oxford University Press, 2010.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.