Haq, Azka Saeful, Lia Maulia Indrayani, and Ypsi Soeria Soemantri. “ATTITUDINAL MEANING IN MARTIN LUTHER KING JR SPEECH: A FUNCTIONAL GRAMMAR APPROACH”. Celtic : A Journal of Culture, English Language Teaching, Literature and Linguistics 7, no. 1 (June 25, 2020): 14–22. Accessed August 16, 2024. https://ejournal.umm.ac.id/index.php/celtic/article/view/12126.