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