1.		Chinese outbound tourists' perceived constraints to visiting the United States / Chengting Lai, Xiang (Robert) Li, Rich Harrill Autor: Chengting, Lai Coautor: ; Li, Xian (Robert) Harrill, Rich
2.		The application of generational theory to tourism consumer behavior: An American perspective / Xiangping Li, Xiang (Robert) Li, Simon Hudson Autor: Xiangping, Li Coautor: ; Li, Xian (Robert) Hudson, Simon