Lee, John Francis, author
Addison-Wesley, 1963
Buku Teks
Balzhiser, Richard E., author
Prentice Hall of India, 1977
Buku Teks
Haberman, William L., 1922-, author
Boston: Allyn and Bacon, 1980
Buku Teks
Spalding, D.B., author
The English Language, 1982
Buku Teks
Cravalho, Ernest G., author
Pitman, 1981
Buku Teks