Bold, Harold Charles, 1909-
Prentice-Hall, 1976
Buku Teks
Bold, Harold Charles, 1909-
Prentice-Hall, 1985
Buku Referensi
Trainor, F. R.
John Wiley & Sons, 1978
Buku Teks
Graham, Linda E.
Prentice-Hall, 2000
Buku Teks
Chapman, V. J. (Valentine Jackson), 1910-
At The University Press, 2013
Buku Teks