4Choi S,Lehtol X Y,Oleary J T. What does the consumer want from a DMO website? A study of US and Canadian tourists~ perspec tives[J]. International Journal of Tourism Research,2007,9(2) :59-72.
5Pan B, Litvin S W, Donnell T E O. Understanding accommodation search query formulation: The first step in putting ~heads in beds [J]. Journal of Vacation Marketing, 2007,13 (4) : 371-381.
6Card J A,Chen C Y,Cole S T. Online travel products shopping:Differences between shoppers and aon-shoppers[J]. Journal of Travel Research, 2003,42 (11) : 133-139.