Mosteller, Frederick
Addison Wesley Publ., 1983
Buku Teks
Petrie, Aviva
Blackwell Scientific Pub., 1984
Buku Teks
Maxwell, A.E.
Chapman & Hall, 1983
Buku Teks
Peacock, Janet L., auhtor
Oxford University Press, 2007
Buku Teks
Lancaster, H.O.
John Wiley & Sons, 1974
Buku Teks