9Judy Karwacki, Shengliang Deng, Colin Chapdelaine. The Tourism Markets of The Four Dragons-a Canadian Perspective [J]. Tourism Management, 1997,18(6) :373 - 383.
10Daisaku Yamamoto, Allson. Gill. Emerging Trends in Japanese Package Tourism [J] . Journal of Travel Research, 1999, 38(November): 134 -143.