1. Alternative accommodation;Messerli;Travel and Tourism Analyst,2005
2. Thompson, A., 2007. Space hotel slated to open in 2012. Online at http://www.space.com/news/070811_space_hotel.html
3. Lighthouse Accommodation: Britain and Worldwide;Adcock,1999
4. The potential for developing community-based tourism among the Bedouins in the Badia of Jordan;Al-Oun;Journal of Heritage Tourism,2008
5. Ecoresort: a ‘green’ masterplan for the international resort industry;Ayala;International Journal of Hospitality Management,1995