http://spotonlists.com/travel/top-10-best-hotel-booking-websites-in-the-world/

retrieved 30/1/2014

http://www.hoteldebangkok.com/bangkok_hotels/guest_reviews/th

retrieved 30/1/2014

http://spotonlists.com/travel/top-10-best-hotel-booking-websites-in-the-world/

retrieved 30/1/2014

http://baiyokeboutique.baiyokehotel.com/hotel-reservation-system.html

 

www.uasean.com
http://www.mirror.co.uk/lifestyle/travel/tip-guide-tipping-culture-countries.

 

http://www.thebangkokshoppingguide.com/how_to_tip_in_bangkok