Theo nguồn tin của hotels.com
Hotels.com celebrates 10 million Welcome Rewards members
More than one million free nights awarded to members
The Top 10 redeemed destinations in the North America region in 2013 were:
1. LAS VEGAS
http://www.prnewswire.com/news-releases/hotelscom-celebrates-10-million-welcome-rewards-members-246367431.html
