Bowes, William H., author
John Wiley & Sons, 1984
Buku Teks
Benham, P.P., author
ELBS/Longman, 1988
Buku Teks
Gere, James M., author
Brooks/Cole Thomson Learning, 2001
Buku Teks
Hibbeler, R.C., author
Prentice-Hall, 1997
Buku Teks
Hibbeler, R.C., author
Prentice-Hall, c1993
Buku Teks