Devore, Jay L..
Duxbury Press, 1995
Buku Teks
M. Iqbal Hasan, author
Bumi Aksara, 2004
Buku Teks
Stanislaus S. Uyanto, author
Graha Ilmu, 2006
Buku Teks
Anderson, Alan J.B.
Chapman and Hall , 1989
Buku Teks
Cressie, Noel A. C.
John Wiley & Sons, 1993
Buku Teks