Schawartz, Bernard
At The University Press, 1955
Buku Teks
Mason, Alpheus Thomas,1899-1989
Prentice-Hall, 1993
Buku Teks
Strong, Frank R.
Dennis & Co., 1950
Buku Teks
Fisher, Louis
McGraw-Hill, 1988
Buku Teks
Wright, Benjamin F.
Phoenik Books, 1967
Buku Teks