Fromkin, Victoria A.
An introduction to language
Holt, Rinehart and Winston, 1981
 Buku Teks SO
an Introduction to language and lingusitics
edited by Ralph Fasold and Jeff Connor-Linton
Cambridge University Press, 2006
 Buku Teks
Hayakawa, S.I.
Language in action
Harcourt, Brace, 1940
 Buku Teks SO
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