Loeve, Michel
D. van Nonstrand, 1976
Buku Teks
Bauer, Heinz
Academic Press, 1981
Buku Teks
Whittle, Peter
John Wiley & Sons, 1970
Buku Teks
Breiman, Leo
Society for Industrial and Applied Mathematics, 1992
eBooks
Snell, J. Laurie (James Laurie), 1925-
McGraw-Hill , 1989
Buku Teks