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.
MLA引文Walker, Robin. Tourism 2: Student's Book. Oxford: Oxford University Press, 2010.
警告：这些引文格式不一定是100％准确.