Wade, H. W. R.
Clarendon Press, 1971
Buku Teks
Schwartz, Bernard, author
Little, Brown & Co., 1991
Buku Teks
Wade, H.W.R.
Claredon Press, 1994
Buku Teks
Schwartz, Bernard, author
Little, Brown & Co., 1976
Buku Teks
Sathe, SP, author
Lexis Nexis, 2009
Buku Teks