E. M. Sembiring, M. Manugeren, dan D. Pratiwy, “Linguistic Politeness in The Digital Era: Multimodal Communication on Social Media Platforms”, ALICIO, vol. 2026, no. 1, Agu 2026, Diakses: Okt 29, 2026. Tersedia pada: https://conference.sastra.uisu.ac.id/index.php/alicio/article/view/22