Abbey,James. Hospitality sales & marketing (4.). The American Hotel & lodging Education Institute.
芝加哥风格引文Abbey,James. Hospitality Sales & Marketing. 4. Michigan: The American Hotel & lodging Education Institute.
MLA引文Abbey,James. Hospitality Sales & Marketing. 4. The American Hotel & lodging Education Institute.
警告：这些引文格式不一定是100％准确.