Taylor, Timothy
Irwin/McGraw-Hill, 2003
Multimedia
Keiser, Norman F., author
John Wiley & Sons, 1960
Buku Teks
McConnell, Campbell R., author
McGraw-Hill/Irwin, 2005
Multimedia
Lipsey, Richard G., 1928-, author
HarperCollinsCollege Publishers, 1996
Buku Teks
Stanlake, G.F., author
Longman, 1987
Buku Teks