Harold L. Vogel. (2012). Travel Industry Economics (2.). Cambridge University Press.
Cita Chicago Style (17a ed.)Harold L. Vogel. Travel Industry Economics. 2. Cambridge University Press, 2012.
Cita MLA (8a ed.)Harold L. Vogel. Travel Industry Economics. 2. Cambridge University Press, 2012.
Precaución: Estas citas no son 100% exactas.