Potts, Diane. “Review: Christie, F. And Martin, J. R. (2007) Language, Knowledge and Pedagogy: Functional Linguistic and Sociological Perspectives. London: Continuum”. Linguistics and the Human Sciences, vol. 4, no. 3, July 2011, pp. 309-13, https://doi.org/10.1558/lhs.v4i3.309.