1. Abdi, R. (2002). Interpersonal metadiscourse: An indicator of interaction and identity. Discourse Studies, 4(2), 139-145.
2. Abdi, R. (2011). Metadiscourse strategies in research articles: A study of the differences across subsections. The Journal of Teaching Language Skills (JTLS), 3(1), 1-16.
3. Ädel, A. (2003). The use of metadiscourse in argumentative texts by advanced learners and native speakers of English. (Unpublished PhD dissertation). Göteborg University, Sweden.
4. Ädel, A. (2006). Metadiscourse in L1 and L2 English. Amsterdam/Philadelphia: John Benjamins Publishing Company.
5. Ädel, A. (2018). Variation in metadiscursive ‘you’ across genres: From research articles to teacher feedback. Educational Sciences: Theory & Practice, 18, 777-796.