Travis, A. S. (2011). Planning for tourism, leisure and sustainability: International case studies. CAB International.
芝加哥风格引文Travis, Anthony S. Planning for Tourism, Leisure and Sustainability: International Case Studies. Cambridge, Mass.: CAB International, 2011.
MLA引文Travis, Anthony S. Planning for Tourism, Leisure and Sustainability: International Case Studies. CAB International, 2011.
警告：这些引文格式不一定是100％准确.