Here is a selective bibliography containing some publications dealing with applied linguistics. The list is by no means exhaustive.
In class we use the following textbooks:
Schmitt, Norbert. ed. 2010. An Introduction to Applied Linguistics. 2nd ed. London & New York: Routledge.
Simpson, James. ed. 2011. The Routledge Handbook of Applied Linguistics. London & New York: Routledge.
Other useful publications include:
Cook, Guy. 2003. Applied Linguistics. Oxford: University Press.
Davies, Alan. 2007. An Introduction to Applied Linguistics: From Practice to Theory. 2nd ed. Edinburgh: University Press. (electronic resource)
Davies, Alan, & Catherine Elder. ed. 2004. The Handbook of Applied Linguistics. Blackwell Handbooks in Linguistics 17. Oxford: Blackwell. (electronic resource)
Gramley, Stephan, & Vivian Gramley. eds. 2008. Bielefeld Introduction to Applied Linguistics: A Course Book. Bielefeld: Aisthesis.
Groom, Nicholas, & Jeanette Littlemore. 2011. Doing Applied Linguistics: A Guide for Students. London & New York: Routledge.
Hall, Christopher J., Patrick H. Smith & Rachel Wicaksono. 2011. Mapping Applied Linguistics: A Guide for Students and Practitioners. London & New York: Routledge.