5Gentry. R, Resort Development Handbook, Urban Land Institute, Washington, D. C 1997.
6Clive B. Jones, "The New Tourism and Leisure Environment" . Tourism- Principles, Practices, Philosophies. Seventh Edition, John Wiley & Sons, Inc. , 1995.
7Nash. C, Studies show bright future for timesharing, Lodging Hospitality; Cleveland; Sep 2002.
