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
Haworth, Alan
Free speech
Routledge, 1998
 Buku Teks SO
Thonssen, Lester
Basic training in speech
D.C. Heath, 1947
 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