F., Yusep. 2016. “Modality Analysis of Basuki Cahaya Purnama’s Speech on Kalijodo Discourse”. Gramatika: Jurnal Ilmiah Kebahasaan Dan Kesastraan 4 (2), 69-77. https://doi.org/10.31813/gramatika/4.2.2016.59.69--77.