Barnett, Vic, author
Arnold , 2002
Buku Teks
Chaudhuri, Arijit, author
Chapman and Hall/CRC, 2005
Buku Teks
by Risto Lehtonen, Erkki J. Pahkinen
John Wiley & Sons, 1995
Buku Teks
Deming, W. Edwards, author
John Wiley & Sons, 1960
Buku Teks
Stopher, Peter R., author
Lexington Books, 1979
Buku Teks