Beaugrande, Robert de
Longman, 1993
Buku Teks
Robins, R.H. (Robert Henry)
New York Longman, 1990
Buku Teks
Robins, R.H. (Robert Henry), author
ITB Press, 1995
Buku Teks
Botha, Rudolf P.
Blackwell, 1992
Buku Teks
De Beaugrande, Robert, author
Longman, 1991
Buku Referensi