1. Academic Word List information (n.d.). Accessed November 15, 2017, at https://www.victoria.ac.nz/lals/resources/academicwordlist/information
2. Achard M (2004) Grammatical instruction in the natural approach: a cognitive grammar view. In: Achard M, Niemeier S (eds) Cognitive linguistics, second language acquisition, and foreign language teaching. Mouton de Gruyter, Berlin, pp 165–194
3. Achard M (2008) Teaching construal: cognitive pedagogical grammar. In: Robinson P, Ellis N (eds) Handbook of cognitive linguistics and second language acquisition. Routledge, New York, pp 432–455
4. Achard M, Niemeier S (eds) (2004) Cognitive linguistics, second language acquisition, and foreign language teaching. Mouton de Gruyter, Berlin
5. Andersen G (2010) How to use corpus linguistics in sociolinguistics. In: O’Keeffe A, McCarthy M (eds) The Routledge handbook of corpus linguistics. Routledge, New York, pp 547–562