Martono Kalapadang
Ujaran Kebencian terhadap Em: Kajian Linguistik Forensik = Hate Speech on The EM Case: A Forensic Linguistic Study
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2022
 UI - Tugas Akhir
Thonssen, Lester
Basic training in speech
D.C. Heath, 1947
 Buku Teks SO
Haworth, Alan
Free speech / Alan Haworth
Routledge, 1998
 Buku Teks SO
Devito, Joseph A.
The psychology of speech and language: an introduction to psycholinguistics
Random House, 1970
 Buku Teks SO
The effect of sound masking on speech recognition
 Artikel Jurnal