Schwefel, Hans-Paul, author
John Wiley & Sons, 1977
Buku Teks
Rajaraman, V., author
Prentice-Hall, 1981
Buku Teks
edited by W.T. Ziemba, R.G. Vickson
Academic Press, 1975
Buku Teks
Davis, M.H.A., author
Chapman & Hall, 1993
Buku Teks
Jackson, Barbara Burn, author
Richard D. Irwin Inc, 1979
Buku Teks