Sari, Wilda Mahya, and Lidiman Sahat Martua Sinaga. “Illocutionary Force in The Novel Darkest Hour By Cleo Virginia Andrews”. LINGUISTICA 2, no. 3 (October 30, 2013). Accessed April 28, 2025. https://jurnal.unimed.ac.id/2012/index.php/jalu/article/view/938.