Heyman, Daniel P.
McGraw-Hill, 1984
Buku Teks
King, Alan J.
[, Springer], 2012
eBooks
Parzen, Emanuel, 1929-
Society for Industrial and Applied Mathematics, 1999
eBooks
Coleman, Rodney
George Allen & Unwin, 1974
Buku Teks
Ash, Robert B.
Academic Press, 1975
Buku Teks