Oborne, David J.
John Wiley & Sons, 1995
Buku Teks SO
Bridger, R.S.
CRC Press, Taylor & Francis Group, 2009
Buku Teks SO
Bridger, R.S.
Taylor and Francis, 2003
Buku Teks SO
Bridger, R.S.
McGraw-Hill, 1995
Buku Teks SO
Pulat, B. Mustafa
Prentice-Hall, 1992
Buku Teks SO