1. Alberta Advantage. 2003. Frequently Requested Alberta Tourism Statistics. Edmonton.
2. BC Stats. 2003. Tourism Industry Monitor Annual 2002. British Colombia Ministry of Management Services: Vancouver.
3. Open policy and tourism between Guangdong and Hong Kong
4. CIA. 2002. The World Factbook 2002. Central Intelligence Agency: Washington, DC. Available at http://www.cia.gov/cia/publications/factbook.
5. Euromonitor. 2002. Global Market Information Database. Available at http://www.euromonitor.com/gmid/default.asp