Wentz, Charles A., author
WCB McGraw-Hill, 1998
Buku Teks
Colling, David A., 1935-, author
Prentice-Hall, 1990
Buku Teks
Asfahl, C. Ray, author
Pearson/Prentice Hall, 2004
Buku Teks
Anton, Thomas J., author
McGraw-Hill, 1979
Buku Teks
DeReamer, Russell, author
John Wiley & Sons, 1980
Buku Teks