Carroll, John B.
Harvad University Press, 1953
Buku Referensi
Carrol, John
Harvard University Press , 1953
Buku Teks
Whorf, Benjamin Lee
John Wiley & Sons, 1956
Buku Teks
Lyons, John, author
New York Cambridge University Press 1992,
Buku Teks
Hughes, John P.
Random House, 1962
Buku Teks