Blamires, Harry, author
Routledge, 1994
Buku Teks
Evans, Ifor, Sir, author
Penguin Books, 1960
Buku Teks
Barnet, Sylvan, author
Batsford Academic and Educational, 1985
Buku Teks
Barnet, Sylvan, author
Little, Brown, 1979
Buku Teks
Ting, Yi
Foreign Languages Press, 1959
Buku Teks