Whittle, Peter, author
John Wiley & Sons, 1970
Buku Teks
Breiman, Leo, author
Society for Industrial and Applied Mathematics, 1992
eBooks
Laha, R.G., author
John Wiley & Sons, 1979
Buku Teks
Snell, J. Laurie (James Laurie), 1925-, author
McGraw-Hill , 1989
Buku Teks
Loeve, Michel, author
D. van Nonstrand, 19763
Buku Teks