Serfling, Robert J., author
John Wiley & Sons, 1980
Buku Teks
Bahadur, R.R., author
Society for Industrial and Applied Mathematics, 1971
eBooks
Kurtz, Thomas G., author
Society for Industrial and Applied Mathematics, 1981
eBooks
Freund, John E., author
Prentice-Hall, 1980
Buku Teks
Shorack, Galen R., author
Society for Industrial and Applied Mathematics, 2009
eBooks