Santosa, R., A. Priyanto, and A. Nuraeni. “Genre and Register of Antagonist’s Language in Media: An Appraisal Study of Indonesian Newspapers”. K@ta: A Biannual Publication on the Study of Languange and Literature, Vol. 16, no. 1, June 2014, pp. 23-36, doi:https://doi.org/10.9744/kata.16.1.23-36.