Ettouney, Mohammed M., author
CRC Press, 2012
Buku Teks
Vazirani, V.N.
Khanna Publishers, 1976
Buku Teks
Cerny, Ladislav, author
McGraw-Hill, 1981
Buku Teks
Hibbeler, R.C., author
Prentice-Hall, c1993
Buku Teks
Meriam, J. L. (James L.), author
John Wiley & Sons, 2004
Buku Teks