171
•
Adelson-Goldstein, J. and Shapiro, N. (2004).
The Oxford Picture Dictionary.
England: Oxford University Press.
•
Brown, S. and Smith, D. (2007).
Active listening
(Second Edition). England:
Cambridge University Press.
•
Celce-Murcia, M. (2001).
Teaching English as a second or foreign language.
Boston, USA: Heinle & Heinle.
•
Clarke, S. (2008).
Macmillan English grammar in context essential.
England:
Macmillan.
•
Diccionario Macmillan Castillo with CD-ROM
(2007). México: Macmillan.
•
Hashemi, B. and Thomas, B. (2008).
Cambridge grammar for PET
. England:
Cambridge University Press.
•
Johannsen, K. (2010).
World English 1.
Canada: Heinle Cengage Learning.
•
Kirn, E. and Jack, D. (2007).
Interactions 1. Grammar.
Singapore: McGraw Hill.
•
Quintana, J. (2010).
PET result. England.
Oxford University Press.
•
Schrampfer, B. and Hagen, S. (2006).
Basic English grammar
(Third Edition).
New York: Pearson Longman.
•
Sharma, P. and Barret, B. (2004).
Blended learning. Using technology in and
beyond the language classroom.
England: Macmillan.
•
Scrivener, J. (2004).
Learning teaching.
England: Macmillan.
Electronic
References
•
http://a4esl.org/
•
http://EzineArticles.com/2368322
•
•
•
•
http://www.eslflow.com/
•
References