Sommerfelt, Alf
Mouton, 1962
Buku Teks
edited by Thomas A. Sebeok
Mouton, 1973
Buku Referensi
Bloomfield, Leonard, author
Dewan Bahasa dan Pustaka, 1992
Buku Teks
Yule, George, author
Cambridge Cambridge University , 2006
Buku Teks
Bloomfield, Leonard, author
Gramedia Pustaka Utama, 1995
Buku Teks