Montgomery, Douglas C., author
McGraw-Hill, 1976
Buku Teks
Wheelwright, Steven C., author
John Wiley & Sons, 1985
Buku Teks
Makridakis, Spyros G., author
John Wiley & Sons, 1983
Buku Teks
Makridakis, Spyros G., author
John Wiley & Sons, 1989
Buku Teks
Wadsworth, 1962
Buku Teks