Jones, Gareth R., author
McGraw-Hill, Irwin, 2006
Buku Teks
The McGraw-Hill Co. , 2006
Multimedia
McGaw-Hill; Irwin, 2006
Multimedia
Hampton, David R., author
McGraw-Hill, 1981
Buku Teks
DuBrin, Andrew J., author
Business Publications, 1982
Buku Teks