Walker, R. (2006). Tourism 1: Student's Book. Oxford: Oxford University Press.
シカゴスタイル引用形Walker, Robin. Tourism 1: Student's Book. Oxford: Oxford University Press, 2006.
MLA引用形式Walker, Robin. Tourism 1: Student's Book. Oxford: Oxford University Press, 2006.
警告: この引用は必ずしも正確ではありません.