Synnott, William R.
John Wiley & Sons, 1981
Buku Teks
edited by Ralph H. Sprague and Barbara C. McNurlin
Prentice-Hall International, 1993
Buku Teks
Olson, David Louis, author
MCGraw-Hill , 2004
Multimedia
Olson, David Louis, author
McGaw-Hill, 2004
Multimedia
Olson, David Louis, author
McGraw-Hill, 2004
Buku Teks