Hibbeler, R. C., author
Prentice-Hall, 2004
Buku Teks
Kumar, K.L., author
Tata McGraw-Hill, 1998
Buku Teks
Popov, Egor P., author
Prentice-Hall, 1999
Buku Teks
Jones, G. D.
ELBS / Longman, 1989
Buku Teks
Beer, Ferdinand P. (Ferdinand Pierre), 1915-2003, author
McGraw-Hill, 1976
Buku Teks