Ambrose, James E.
John Wiley & Sons, c2007
Buku Teks SO
Fanella, David Anthony
McGraw-Hill, 2011
Buku Teks SO
Kotsovos, M.D.
Thomas Telford, 1999
Buku Teks SO
Cowan, Henry J.
Prentice-Hall, 1982
Buku Teks SO
Sigalove, E.
Foreign Languages Pub.House, 1962
Buku Teks SO