Bobko, Philip, author
McGraw-Hill, 1995
Buku Teks
Britz, Galen
ASQ Quality Press, 1999
Buku Teks
Allyn and Bacon, 1993
Buku Teks
Levine, David M., 1946-, author
Pearson, 2014
Buku Teks
Hildebrand, David K., 1940-, author
Duxbury Press, 1996
Buku Teks