Blalock, Hubert M.
McGraw-Hill, 1972
Buku Teks
Fox, William
MicroCase Coorporation, 1995
Buku Teks
Healey, Joseph F., 1945-
Wadsworth and Cengage Learning, 2012
Buku Teks
McCormick, Thomas Carson, 1892-
McGraw-Hill, 1941
Buku Teks
Johnson, Allan G.
McGraw-Hil, 1997
Buku Teks