Robins, R.H. (Robert Henry)
New York Longman, 1990
Buku Teks
Beaugrande, Robert de
Longman, 1993
Buku Teks
Robins, R.H. (Robert Henry), author
ITB Press, 1995
Buku Teks
Botha, Rudolf P.
Blackwell, 1992
Buku Teks
Matthews, Peter, author
Cambridge University Press, 2001
Buku Teks