Wilson, Edward L., author
CSI, 2002
Buku Teks
Hibbeler, R.C., author
Prentice-Hall, c1993
Buku Teks
Cook, David I., author
International Textbook, 1960
Buku Teks
Hibbeler, R. C., author
Prentice-Hall, 1997
Buku Teks
Cook, David I., author
International Textbook, 1960
Buku Teks