Artikel Jurnal
Frankham, Richard, author
Oxford University Press, 2017
eBooks
Wallace, Bruce, 1920-, author
Columbia University Press, 1981
Buku Teks
Spiess, Eliot B., author
John Wiley & Sons, 1983
Buku Teks
Kingman, J.F.C., author
Society for Industrial and Applied Mathematics, 1980
eBooks