Swan, Michael, author
Cambridge University Press, 1987
Buku Teks
Radford, Andrew, author
Cambridge University Press, 2009
eBooks
French, F. G., author
Oxford University Press, 1951
Buku Teks
Chesterman, Andrew, author
Cambridge University Press, 1991
Buku Teks
Ledefoged, Peter
Univeersity of Chicago Press, 1971
Buku Teks