Harold L. Vogel. (2012). Travel Industry Economics (2.). Cambridge University Press.
Chicagoスタイル(17版)引用形式Harold L. Vogel. Travel Industry Economics. 2. Cambridge University Press, 2012.
MLA(8版)引用形式Harold L. Vogel. Travel Industry Economics. 2. Cambridge University Press, 2012.
警告: この引用は必ずしも正確ではありません.