Bloomfield, Leonard
Gramedia Pustaka Utama, 1995
Buku Teks
Crystal, David, 1941-
Nuansa Cendekia, 2015
Buku Referensi
Yule, George
Cambridge Cambridge University , 2006
Buku Teks
Yule, George
Cambridge University Press, 2018
Buku Teks
Fromkin, Victoria A.
Holt, Rinehart and Winston, 1981
Buku Teks