Fliehman, Deborah G.
ASQC Quality Press, 1994
Buku Teks
Loudon, David L., author
McGraw-Hill, 1988
Buku Teks
Hill, Charles W. L., author
Houghton Miffiln, 1992
Buku Teks
Hill, Charles W. L., author
Houghton Miffiln, 2001
Buku Teks
Hill, Charles W. L., author
Houghton Miffiln, 1998
Buku Teks