1. Tourism: Principles, Practices, Philosophies;McIntosh,1986
2. Tourism: The Good, The Bad and The Ugly;Rosenow,1979
3. Tourism in the Bahamas and Bermuda: Two Case Studies;Archer,1977
4. Tourism in PR China;Choy;Tourism Management,1986
5. The Practical Encyclopedia of Natural Healing;Bricklin,1983