Current trends in linguistics : volume XI, diachronic, areal, and typological linguistics
edited by Thomas A. Sebeok
Mouton, 1973
 Buku Referensi
Bloomfield, Leonard
Bahasa = Language
Dewan Bahasa dan Pustaka, 1992
 Buku Teks
Yule, George
The study of language
Cambridge Cambridge University , 2006
 Buku Teks
Bloomfield, Leonard
Bahasa = Language
Gramedia Pustaka Utama, 1995
 Buku Teks
Yule, George
The study of language
Cambridge University Press, 2018
 Buku Teks