Lauer, Kenneth R.
McGraw-Hill, 1981
Buku Teks
White, Richard N., author
John Wiley & Sons, 1976
Buku Teks
Tuma, Jan J., author
McGraw-Hill, 1983
Buku Teks
Fischer, Robert E., author
McGraw-Hill, 1980
Buku Teks
Hibbeler, R. C., author
Prentice-Hall, 2002
Buku Teks