Oxford University Press , 1987
Buku Teks
Collie, Joanne, author
Cambridge University Press, 1990
Buku Teks
Collie, Joanne, author
Cambridge University Press, 1987
Buku Teks
Bleich, David
John Hopkins Press , 1981
Buku Teks
editor, Bambang Kaswanti Purwo
Kanisius , 1991
Buku Teks