Yule, George
The study of language
Cambridge Cambridge University , 2006
 Buku Teks
Yule, George
The study of language
Cambridge University Press, 2018
 Buku Teks SO
Fromkin, Victoria A.
An introduction to language
Holt, Rinehart and Winston, 1981
 Buku Teks SO
McArthur, Thomas Burns
A foundation course for language teachers
Cambridge University Press, 1983
 Buku Teks SO
an Introduction to language and lingusitics
edited by Ralph Fasold and Jeff Connor-Linton
Cambridge University Press, 2006
 Buku Teks