Richards, Larry E., author
McGraw-Hill , 1983
Buku Teks
Braverman, Jerome D., author
Academic Press, 1978
Buku Teks
Conover, W.J., author
Wiley, 1983
Buku Teks
Berenson, Mark L., author
Prentice-Hall, 1989
Buku Teks
Becker, William E., author
Addison-Wesley, 1987
Buku Teks