Current trends in linguistics : volume XI, diachronic, areal, and typological linguistics
edited by Thomas A. Sebeok
Mouton, 1973
 Buku Referensi
Fromkin, Victoria A.
An introduction to language
Holt, Rinehart and Winston, 1981
 Buku Teks SO
Hayakawa, S.I.
Language in action
Harcourt, Brace, 1940
 Buku Teks SO
Bloomfield, Leonard
Bahasa = Language
Dewan Bahasa dan Pustaka, 1992
 Buku Teks SO
Yule, George
The study of language
Cambridge Cambridge University , 2006
 Buku Teks SO