COOPER CHRIS. (1993). TOURISM: PRINCIPLES & PRACTICE. PITMAN PUBLICATIONS.
芝加哥风格引文COOPER CHRIS. TOURISM: PRINCIPLES & PRACTICE. LONDON: PITMAN PUBLICATIONS, 1993.
MLA引文COOPER CHRIS. TOURISM: PRINCIPLES & PRACTICE. PITMAN PUBLICATIONS, 1993.
警告：这些引文格式不一定是100％准确.