Oxford University Press, 1991
Buku Teks
Interscience Publishers, 1956
Buku Teks
Lehman, John W.
Prentice-Hall, 1988
Buku Teks
Beyer, Hans, author
[Publisher not identified], [Date of publication not identified]
Buku Teks
Solomons, T. W. Graham, author
John Wiley & Sons, 1992
Buku Teks