1. Belcher, D. (2006). English for Specific Purposes: Teaching to Perceived Needs and Imagined Futures in Worlds of Work, Study, and Everyday Life. TESOL Quarterly, Vol. 40, No. 1 (Mar., 2006), pp. 133-156 Published by: Teachers of English to Speakers of Other Languages, Inc. (TESOL) Stable URL: http://www.jstor.org/stable/40264514 Accessed: 13/02/2012.
2. Dudley-Evans, T., St. John, M.J. (1998). Developments in ESP. A multi-disciplinary approach. Cambridge University Press.
3. Echevarria. J., Vogt, M.E., Short, D., J. (2008). Making Content Comprehensible for English Learners. The SIOP Model. Pearson.
4. Graham, J., G., Beardsely, S. (1986). English for Specific Purposes: Content, Language, and Communication in a Pharmacy Course Model. TESOL Quarterly, Vol. 20, No. 2. pp. 227-245 Published by: Teachers of English to Speakers of Other Languages, Inc. (TESOL) Stable URL: http://www.jstor.org/stable/3586542. Accessed: 13/02/2012.
5. Hadfeld, M., Dhillon, J., Jopling, M., Goffe, R. (2012). Modern Universities Changing Lives. Million +. Centre for Research and Development. University of Wolverhampton. www.millionplus.ac.uk/research/index.