Blackson, Thomas A., author
Wiley-Blackwell, 2011
Buku Teks
Martin, Thomas R.
Yale University Press, 1996
Buku Teks
Blackie Academic and Professional, 1995
Buku Teks
Paish, F.W.
Macmillan, 1962
Buku Teks
Paish, F.W. (Frank Walter)
Macmillan & Co. , 1950
Buku Teks