Langacker, Ronald W., author
Harcourt, Brace & World, 1968
Buku Teks
Vachek, Josef, author
Indiana University Press, 1966
Buku Teks
Fabb, Nigel, author
Camridge University Press , 2002
Buku Teks
Lyons, John, author
Cambridge University Press, 1991
Buku Teks
Moulton, William G., author
Modern Language Association of America, 1966
Buku Teks