Hill, Charles W. L., author
Irwin/McGraw-Hill, 1999
Buku Teks
Hill, Charles W. L.
McGraw-Hill, 2001
Multimedia
Hill, Charles W. L., author
McGraw-Hill Irwin, 2003
Buku Teks
Hill, Charles W. L.
Irwin/McGraw-Hill, 2001
Multimedia
Soros, George, author
Public Affairs , 1998
Buku Teks