Index

Biber, D, Conrad, S and Leech, G.  (2002). Longman Grammar: Spoken and Written English. 
        Pearson Education Inc.
Celce-Murcia, M and Larsen-Freeman, D.  (1999). “The Grammar Book.”  Heinle & Heinle. 
“Flute, Instrument.”  Retrieved from
        http://www.dsokids.com/listen/instrumentdetail.aspx?instrumentid=21 on July 1, 2010.
“Visa Application.”  Retrieved from
        http://www.imm2.go.th/index.php?option=com_content&view=article&id=48&Itemid=112 
        on July 3, 2010.
 “Why Exercise Is Wise?”  Retrieved from
        http://kidshealth.org/teen/food_fitness/fit_summer/exercise_wise.html# on July 1, 2010.
“Vitamin E.” Retrieved from
        http://www.nlm.nih.gov/medlineplus/ency/article/002406.htm on July 8, 2010.
“Piano.”  Retrieved from Wikipedia: http://en.wikipedia.org/wiki/Piano on July 3, 2010.
“Ecotourism.”  Retrieved from http://www.thailand.com/travel/eco/eco_surat.htm on June 29, 2010.
Murphy, R.  (1985).  “English Grammar in Use.”  Cambridge: Cambridge University Press.