Abbey,James. Hospitality sales & marketing (4.). The American Hotel & lodging Education Institute.
Cita Chicago Style (17a ed.)Abbey,James. Hospitality Sales & Marketing. 4. Michigan: The American Hotel & lodging Education Institute.
Cita MLA (9a ed.)Abbey,James. Hospitality Sales & Marketing. 4. The American Hotel & lodging Education Institute.
Precaución: Estas citas no son 100% exactas.