Garrison, Ray H.,
Irwin Mcgraw-Hill, 2003
Buku Teks
Garrison, Ray h.
McGraw-Hill , 2000
Multimedia
Louderback, Joseph G., III, author
Thomson/South-Western, 2003
Buku Teks
Helmkamp, John G., author
John Wiley & Sons, 1990
Buku Teks
Titard, Pierre L., author
Dryden Press, 1987
Buku Teks