Kice, John L., author
Macmillan, 1972
Buku Teks
Watson, H.B., author
Oxford University Press , 1949
Buku Teks
Norman, R.O.C., author
The English Language Book Society, 1978
Buku Teks
Wilcox, Charles F., 1930-, author
Prentice-Hall, 1995
Buku Teks
Singh, P.R., author
Tata McGraw-Hill, 1980
Buku Teks