Bloomfield, Leonard
Bahasa = Language
Gramedia Pustaka Utama, 1995
 Buku Teks SO
Crystal, David, 1941-
Ensiklopedi Bahasa = The Cambridge encyclopedia of language
Nuansa Cendekia, 2015
 Buku Referensi
Yule, George
The study of language
Cambridge Cambridge University , 2006
 Buku Teks SO
Milner, Jean-Claude
For the love of language
St. Martin’s Press, 1990
 Buku Teks SO
Fromkin, Victoria A.
An introduction to language
Holt, Rinehart and Winston, 1981
 Buku Teks SO