Greenbaum, S., & Quirk, R. (1995). A Student’s Grammar of the English language. China: Longman.
Leech, G. (1989). An A-Z of English Grammar & Usage. UK: Nelson.
Murphy, R. (2002). English Grammar in Use. 3rd edition. Cambridge: Cambridge University Press.
Quirk, R., Greenbaum, S., Leech, G., & Svartvik, J. (1985). A Comprehensive Grammar of the English
Language. London and New York: Longman.
Vince, M. (2009). First Certificate Language Practice: English Grammar and Vocabulary. 4th edition.
“Challenges and Opportunities: Speculations on a Buddhist Future” Retrieved from http://www.patheos.com/Resources/Additional-Resources/Challenges-and-Opportunities-Speculations-on-a-Buddhist-Future?offset=1&max=1 on August 15, 2010.
“Famous monk’s biography in Thailand” Retrieved from http://www.mybuddha108.com/monks%20_img.html on August 18, 2010.
“Famous monks” Retrieved from http://silkarrow.com/id18.html on August 20, 2010.
“Life in a Thai temple” Retrieved from http://www.thaibuddhist.com/life_in_a_temple.html
on August 20, 2010.
“Microsoft promises to grow 30 % greener by 2012” Retrieved from http://www.maximumpc.com/article/news/microsoft_promises_go_30_greener_2012
on August 12, 2010.
Online Dictionary Retrieved from http://www.tumcivil.com/dict/ on August 14, 2010.
“Poems about future” David Byrne Retrieved from
http://www.poemhunter.com/song/in-the-future-knee-play-12/ on August 14, 2010.
“Sharia Law” Retrieved from http://en.wikipedia.org/wiki/Sharia on November 20, 2010.
“Space tourism to take flight in 2012” Retrieved from http://www.google.com/hostednews/afp/article/ALeqM5hyrljm2FgEWIGzu20js_ud2lmzh
on August 12, 2010.
Thompson, Andrea and Than, Ker.“Timeline: the Frightening Future of Earth” Retrieved from http://www.livescience.com/environment/070419_earth_timeline.html on August 14, 2010.
“TK Park Returns” Retrieved from http://www.bangkokpost.com/feature/society/186788/tk-park-returns on August 15, 2010.
“Video of Poems about future by David Byrne” Retrieved from http://www.youtube.com/watch?v=dGyLrZIyY1E on August 14, 2010.