Johnston, John B.
Addison-Wesley, 1966
Buku Teks SO
Campbell, Hugh G., author
Prentice-Hall, 1977
Buku Teks SO
Bolton, William, 1933-, author
Longman Scientific & Technical, 1995
Buku Teks
White, Paul A., author
Dickenson, 1966
Buku Teks
Anton, Howard, author
Erlangga, 1992
Buku Teks SO