Richards, Jack C., author
Cambridge University Press, 2006
Buku Teks
Richards, Jack C., author
Cambridge University Press, 1994
Buku Teks
Richards, Jack C., author
Cambridge University Press, 1994
Buku Teks
Halliday, M.A.K., author
Longman, 1966
Buku Teks
Mackey, William Francis, author
Longman, 1978
Buku Teks