edited by Thomas A. Sebeok
Mouton, 1973
Buku Referensi
Fromkin, Victoria A.
Holt, Rinehart and Winston, 1981
Buku Teks SO
Hayakawa, S.I.
Harcourt, Brace, 1940
Buku Teks SO
Bloomfield, Leonard
Dewan Bahasa dan Pustaka, 1992
Buku Teks SO
Yule, George
Cambridge Cambridge University , 2006
Buku Teks SO