1. Travel & Tourism Economic Impact 2017 Worldhttps://www.wttc.org/-/media/files/reports/economic-impact-research/regions-2017/world2017.pdf
2. World Travel & Tourism Council Unveils 2018 Economic Impact Reseach Reporthttps://www.wttc.org/-/media/files/reports/economic-impact-research/countries-2018/taiwan2018.pdf
3. 2017 Annual Survey Report on Visitors Expenditure and Trends in Taiwanhttp://admin.taiwan.net.tw/indexc.asp
4. 2017 Visitor Arrivals by Residencehttps://admin.taiwan.net.tw/statistics/year.aspx?no=134
5. The Cultural Background of Personality;Linton,1945