Ayres, Robert U., author
McGraw-Hill, 1969
Buku Teks
Damia Liana, author
2016
UI - Skripsi (Membership)
Montgomery, Douglas C., author
McGraw-Hill, 1976
Buku Teks
editor, James R. Bright
Prentice-Hall, 1968
Buku Teks
Makridakis, Spyros G., author
John Wiley & Sons, 1983
Buku Teks