Sloman, Morris, author
Prentice-Hall, 1987
Buku Teks
Kroenke, David M., 1946-, author
Mitchell Publishing, 1987
Buku Teks
Lorin, Harold, author
John Wiley & Sons, 1980
Buku Teks
Burch, John G., author
John Wiley & Sons, 1978
Buku Teks
Astrom, Karl J. (Karl Johan), 1934-, author
Prentice Hall International, 1997
Buku Teks