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