Fisk, Edward R.
Prentice-Hall, 1997
Buku Teks SO
Mubarak, Saleh
Pearson-Prentice Hall, 2005
Buku Teks SO
Clough, Richard Hudson
John Wiley & Sons, c1991
Buku Teks SO
Asiyanto
Pradnya Paramita, 2010
Buku Teks
Lambeck, Richard
McGraw-Hill, 2009
Buku Teks SO