Sistemas de reserva electrónica

http://www.booking.com
http://www.amadeus.net
http://www.galileo.com
http://www.sabre.com
http://www.worldspan.com
http://www.travelocity.com
HTTP://WWW.E-TRAVEL.COM
http://www.hotel-traveling.com/online/hotels/world/pt/index.htm
http://www.expedia.com
http://www.iberia.com
http://www.teleavion.com
http://www.travelocity.com
http://www.barcelo.com
http://www.iet.tourspain.es/
http://www.emagister.com/bcateg74.htm
http://revistaturismo.cidadeinternet.com.br/