Burton, Glyn, author
Prentice-Hall, 2000
Buku Teks
Takayama, Akira, 1932-, author
Hemel Hempstead Harvester Wheatsheaf, 1994
Buku Teks
Christ, Carl F., author
Wiley Eastern Private, 1996
Buku Teks
Wheelwright, Steven C., author
John Wiley & Sons, 1973
Buku Teks
Borich, Gary D., author
Prentice-Hall, [date of publication not identified]
Buku Teks